312046646240 has 96 divisors (see below), whose sum is σ = 842726130624. Its totient is φ = 106962001920.

The previous prime is 312046646237. The next prime is 312046646267. The reversal of 312046646240 is 42646640213.

It is a super-2 number, since 2×312046646240² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312046646194 and 312046646203.

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, 5028200 + ... + 5089880.

It is an arithmetic number, because the mean of its divisors is an integer number (8778397194).

Almost surely, 2^312046646240 is an apocalyptic number.

It is an amenable number.

312046646240 is an abundant number, since it is smaller than the sum of its proper divisors (530679484384).

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

312046646240 is a wasteful number, since it uses less digits than its factorization.

312046646240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66220 (or 66212 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 312046646240 in words is "three hundred twelve billion, forty-six million, six hundred forty-six thousand, two hundred forty".