312057485850 has 48 divisors (see below), whose sum is σ = 844257348000. Its totient is φ = 75650299200.

The previous prime is 312057485813. The next prime is 312057485879. The reversal of 312057485850 is 58584750213.

It is a self number, because there is not a number n which added to its sum of digits gives 312057485850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94561225 + ... + 94564524.

It is an arithmetic number, because the mean of its divisors is an integer number (17588694750).

Almost surely, 2^312057485850 is an apocalyptic number.

312057485850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312057485850 is an abundant number, since it is smaller than the sum of its proper divisors (532199862150).

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

312057485850 is a wasteful number, since it uses less digits than its factorization.

312057485850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189125775 (or 189125770 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 312057485850 in words is "three hundred twelve billion, fifty-seven million, four hundred eighty-five thousand, eight hundred fifty".