315432406840 has 32 divisors (see below), whose sum is σ = 709753104000. Its totient is φ = 126167595904.

The previous prime is 315432406733. The next prime is 315432406897. The reversal of 315432406840 is 48604234513.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 315432406793 and 315432406802.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 862566 + ... + 1172554.

It is an arithmetic number, because the mean of its divisors is an integer number (22179784500).

Almost surely, 2^315432406840 is an apocalyptic number.

It is an amenable number.

315432406840 is an abundant number, since it is smaller than the sum of its proper divisors (394320697160).

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

315432406840 is a wasteful number, since it uses less digits than its factorization.

315432406840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335439 (or 335435 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 315432406840 in words is "three hundred fifteen billion, four hundred thirty-two million, four hundred six thousand, eight hundred forty".