40152503664 has 120 divisors (see below), whose sum is σ = 138303113312. Its totient is φ = 10589667840.

The previous prime is 40152503663. The next prime is 40152503693. The reversal of 40152503664 is 46630525104.

40152503664 is a `hidden beast` number, since 40 + 1 + 5 + 250 + 366 + 4 = 666.

It is a super-2 number, since 2×40152503664² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40152503663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1518967 + ... + 1545174.

Almost surely, 2^40152503664 is an apocalyptic number.

It is an amenable number.

40152503664 is an abundant number, since it is smaller than the sum of its proper divisors (98150609648).

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

40152503664 is a wasteful number, since it uses less digits than its factorization.

40152503664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064175 (or 3064166 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 40152503664 in words is "forty billion, one hundred fifty-two million, five hundred three thousand, six hundred sixty-four".