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40283672780 = 225131495471901
BaseRepresentation
bin100101100001000110…
…000001000011001100
310211222102211121101202
4211201012001003030
51130000110012110
630301150525032
72624160366101
oct454106010314
9124872747352
1040283672780
11160a20a065a
127982b06778
133a4ca84890
141d42130aa8
1510ab86d0a5
hex9611810cc

40283672780 has 96 divisors (see below), whose sum is σ = 91930507200. Its totient is φ = 14739379200.

The previous prime is 40283672773. The next prime is 40283672797. The reversal of 40283672780 is 8727638204.

It is a super-2 number, since 2×402836727802 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21189830 + ... + 21191730.

It is an arithmetic number, because the mean of its divisors is an integer number (957609450).

Almost surely, 240283672780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40283672780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45965253600).

40283672780 is an abundant number, since it is smaller than the sum of its proper divisors (51646834420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40283672780 is a wasteful number, since it uses less digits than its factorization.

40283672780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619 (or 2617 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 40283672780 in words is "forty billion, two hundred eighty-three million, six hundred seventy-two thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 149 260 298 547 596 745 1094 1490 1901 1937 2188 2735 2980 3802 3874 5470 7111 7604 7748 9505 9685 10940 14222 19010 19370 24713 28444 35555 38020 38740 49426 71110 81503 98852 123565 142220 163006 247130 283249 326012 407515 494260 566498 815030 1039847 1059539 1132996 1416245 1630060 2079694 2119078 2832490 3682237 4159388 4238156 5199235 5297695 5664980 7364474 10398470 10595390 13518011 14728948 18411185 20796940 21190780 27036022 36822370 54072044 67590055 73644740 135180110 154937203 270360220 309874406 619748812 774686015 1549372030 2014183639 3098744060 4028367278 8056734556 10070918195 20141836390 40283672780