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40343750356 = 22721371223007
BaseRepresentation
bin100101100100101011…
…001100011011010100
310212010121212212100011
4211210223030123110
51130111000002411
630311134330004
72625520135300
oct454453143324
9125117785304
1040343750356
1116122aa4848
12799b059904
133a5c35ac40
141d4a0ccd00
1510b1c88c21
hex964acc6d4

40343750356 has 72 divisors (see below), whose sum is σ = 89692033536. Its totient is φ = 15735303360.

The previous prime is 40343750333. The next prime is 40343750357. The reversal of 40343750356 is 65305734304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40343750357) 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, 69405 + ... + 292411.

It is an arithmetic number, because the mean of its divisors is an integer number (1245722688).

Almost surely, 240343750356 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 40343750356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44846016768).

40343750356 is an abundant number, since it is smaller than the sum of its proper divisors (49348283180).

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

40343750356 is a wasteful number, since it uses less digits than its factorization.

40343750356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223109 (or 223100 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 40.

The spelling of 40343750356 in words is "forty billion, three hundred forty-three million, seven hundred fifty thousand, three hundred fifty-six".

Divisors: 1 2 4 7 13 14 26 28 49 52 71 91 98 142 182 196 284 364 497 637 923 994 1274 1846 1988 2548 3479 3692 6461 6958 12922 13916 25844 45227 90454 180908 223007 446014 892028 1561049 2899091 3122098 5798182 6244196 10927343 11596364 15833497 20293637 21854686 31666994 40587274 43709372 63333988 81174548 110834479 142055459 205835461 221668958 284110918 411670922 443337916 568221836 775841353 823341844 1440848227 1551682706 2881696454 3103365412 5763392908 10085937589 20171875178 40343750356