Search a number
-
+
40285738629 = 32291063114519
BaseRepresentation
bin100101100001001101…
…111001011010000101
310211222120201120012200
4211201031321122011
51130001122114004
630301303105113
72624214062013
oct454115713205
9124876646180
1040285738629
11160a3281774
127983742199
133a50328c86
141d4250b8b3
1510abb2a239
hex961379685

40285738629 has 24 divisors (see below), whose sum is σ = 60206889600. Its totient is φ = 25926825120.

The previous prime is 40285738601. The next prime is 40285738643. The reversal of 40285738629 is 92683758204.

40285738629 is a `hidden beast` number, since 4 + 0 + 2 + 8 + 5 + 7 + 3 + 8 + 629 = 666.

It is not a de Polignac number, because 40285738629 - 28 = 40285738373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40285738429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2767432 + ... + 2781950.

It is an arithmetic number, because the mean of its divisors is an integer number (2508620400).

Almost surely, 240285738629 is an apocalyptic number.

It is an amenable number.

40285738629 is a deficient number, since it is larger than the sum of its proper divisors (19921150971).

40285738629 is a wasteful number, since it uses less digits than its factorization.

40285738629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25185 (or 25182 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 40285738629 in words is "forty billion, two hundred eighty-five million, seven hundred thirty-eight thousand, six hundred twenty-nine".

Divisors: 1 3 9 29 87 261 10631 14519 31893 43557 95679 130671 308299 421051 924897 1263153 2774691 3789459 154351489 463054467 1389163401 4476193181 13428579543 40285738629