40159695564 has 24 divisors (see below), whose sum is σ = 104117729520. Its totient is φ = 13386565152.

The previous prime is 40159695533. The next prime is 40159695593. The reversal of 40159695564 is 46559695104.

40159695564 is a `hidden beast` number, since 4 + 0 + 15 + 9 + 69 + 5 + 564 = 666.

It is a super-2 number, since 2×40159695564² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 40159695564.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 185924409 + ... + 185924624.

It is an arithmetic number, because the mean of its divisors is an integer number (4338238730).

Almost surely, 2^40159695564 is an apocalyptic number.

It is an amenable number.

40159695564 is an abundant number, since it is smaller than the sum of its proper divisors (63958033956).

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

40159695564 is a wasteful number, since it uses less digits than its factorization.

40159695564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371849046 (or 371849038 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 40159695564 in words is "forty billion, one hundred fifty-nine million, six hundred ninety-five thousand, five hundred sixty-four".