315406356920 has 32 divisors (see below), whose sum is σ = 716554257120. Its totient is φ = 124937662080.

The previous prime is 315406356913. The next prime is 315406356929. The reversal of 315406356920 is 29653604513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315406356929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38273351 + ... + 38281590.

It is an arithmetic number, because the mean of its divisors is an integer number (22392320535).

Almost surely, 2^315406356920 is an apocalyptic number.

It is an amenable number.

315406356920 is an abundant number, since it is smaller than the sum of its proper divisors (401147900200).

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

315406356920 is a wasteful number, since it uses less digits than its factorization.

315406356920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76555055 (or 76555051 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 315406356920 in words is "three hundred fifteen billion, four hundred six million, three hundred fifty-six thousand, nine hundred twenty".