40052532520 has 128 divisors (see below), whose sum is σ = 120997981440. Its totient is φ = 11523594240.

The previous prime is 40052532503. The next prime is 40052532547. The reversal of 40052532520 is 2523525004.

It is a super-2 number, since 2×40052532520² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460117 + ... + 540196.

It is an arithmetic number, because the mean of its divisors is an integer number (945296730).

Almost surely, 2^40052532520 is an apocalyptic number.

40052532520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40052532520 is an abundant number, since it is smaller than the sum of its proper divisors (80945448920).

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

40052532520 is a wasteful number, since it uses less digits than its factorization.

40052532520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000355 (or 1000351 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The spelling of 40052532520 in words is "forty billion, fifty-two million, five hundred thirty-two thousand, five hundred twenty".