312459018828 has 96 divisors (see below), whose sum is σ = 869301393408. Its totient is φ = 86240179200.

The previous prime is 312459018779. The next prime is 312459018847. The reversal of 312459018828 is 828810954213.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2176275 + ... + 2315402.

It is an arithmetic number, because the mean of its divisors is an integer number (9055222848).

Almost surely, 2^312459018828 is an apocalyptic number.

It is an amenable number.

312459018828 is an abundant number, since it is smaller than the sum of its proper divisors (556842374580).

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

312459018828 is a wasteful number, since it uses less digits than its factorization.

312459018828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491743 (or 4491741 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 312459018828 in words is "three hundred twelve billion, four hundred fifty-nine million, eighteen thousand, eight hundred twenty-eight".