31268486480 has 80 divisors (see below), whose sum is σ = 90638020224. Its totient is φ = 9746019840.

The previous prime is 31268486471. The next prime is 31268486503. The reversal of 31268486480 is 8468486213.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2531867 + ... + 2544186.

Almost surely, 2^31268486480 is an apocalyptic number.

It is an amenable number.

31268486480 is an abundant number, since it is smaller than the sum of its proper divisors (59369533744).

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

31268486480 is a wasteful number, since it uses less digits than its factorization.

31268486480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076084 (or 5076078 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 50.

The spelling of 31268486480 in words is "thirty-one billion, two hundred sixty-eight million, four hundred eighty-six thousand, four hundred eighty".