32540523402 has 32 divisors (see below), whose sum is σ = 65704066560. Its totient is φ = 10743323760.

The previous prime is 32540523397. The next prime is 32540523443. The reversal of 32540523402 is 20432504523.

It is a super-2 number, since 2×32540523402² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32540523402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371499 + ... + 450657.

It is an arithmetic number, because the mean of its divisors is an integer number (2053252080).

Almost surely, 2^32540523402 is an apocalyptic number.

32540523402 is an abundant number, since it is smaller than the sum of its proper divisors (33163543158).

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

32540523402 is a wasteful number, since it uses less digits than its factorization.

32540523402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79818.

The product of its (nonzero) digits is 28800, while the sum is 30.

The spelling of 32540523402 in words is "thirty-two billion, five hundred forty million, five hundred twenty-three thousand, four hundred two".