40052500521 has 48 divisors (see below), whose sum is σ = 60074844480. Its totient is φ = 23709628800.

The previous prime is 40052500513. The next prime is 40052500529. The reversal of 40052500521 is 12500525004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40052500513) and next prime (40052500529).

It is not a de Polignac number, because 40052500521 - 2³ = 40052500513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40052500491 and 40052500500.

It is not an unprimeable number, because it can be changed into a prime (40052500529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4401186 + ... + 4410276.

It is an arithmetic number, because the mean of its divisors is an integer number (1251559260).

Almost surely, 2^40052500521 is an apocalyptic number.

It is an amenable number.

40052500521 is a deficient number, since it is larger than the sum of its proper divisors (20022343959).

40052500521 is a wasteful number, since it uses less digits than its factorization.

40052500521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9398 (or 9387 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The spelling of 40052500521 in words is "forty billion, fifty-two million, five hundred thousand, five hundred twenty-one".