402532045531 has 32 divisors (see below), whose sum is σ = 504873248256. Its totient is φ = 311779584000.

The previous prime is 402532045471. The next prime is 402532045541. The reversal of 402532045531 is 135540235204.

It is a cyclic number.

It is not a de Polignac number, because 402532045531 - 2⁷ = 402532045403 is a prime.

It is a super-2 number, since 2×402532045531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402532045541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19175061 + ... + 19196041.

It is an arithmetic number, because the mean of its divisors is an integer number (15777289008).

Almost surely, 2^402532045531 is an apocalyptic number.

402532045531 is a deficient number, since it is larger than the sum of its proper divisors (102341202725).

402532045531 is a wasteful number, since it uses less digits than its factorization.

402532045531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22483.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 402532045531 in words is "four hundred two billion, five hundred thirty-two million, forty-five thousand, five hundred thirty-one".