315903478280 has 64 divisors (see below), whose sum is σ = 767030826240. Its totient is φ = 116401681152.

The previous prime is 315903478277. The next prime is 315903478307. The reversal of 315903478280 is 82874309513.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370484 + ... + 876963.

It is an arithmetic number, because the mean of its divisors is an integer number (11984856660).

Almost surely, 2^315903478280 is an apocalyptic number.

It is an amenable number.

315903478280 is an abundant number, since it is smaller than the sum of its proper divisors (451127347960).

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

315903478280 is a wasteful number, since it uses less digits than its factorization.

315903478280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247958 (or 1247954 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 315903478280 in words is "three hundred fifteen billion, nine hundred three million, four hundred seventy-eight thousand, two hundred eighty".