40163865152 has 28 divisors (see below), whose sum is σ = 79706533500. Its totient is φ = 20080329216.

The previous prime is 40163865127. The next prime is 40163865191. The reversal of 40163865152 is 25156836104.

40163865152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29301222976 + 10862642176 = 171176^2 + 104224^2 .

It is a super-2 number, since 2×40163865152² (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 3 ways as a sum of consecutive naturals, for example, 1571258 + ... + 1596614.

Almost surely, 2^40163865152 is an apocalyptic number.

It is an amenable number.

40163865152 is a deficient number, since it is larger than the sum of its proper divisors (39542668348).

40163865152 is a wasteful number, since it uses less digits than its factorization.

40163865152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50118 (or 50108 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 40163865152 in words is "forty billion, one hundred sixty-three million, eight hundred sixty-five thousand, one hundred fifty-two".