312404241660540 has 48 divisors (see below), whose sum is σ = 904895044814880. Its totient is φ = 80435115093760.

The previous prime is 312404241660499. The next prime is 312404241660559. The reversal of 312404241660540 is 45066142404213.

It is a super-2 number, since 2×312404241660540² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312404241660492 and 312404241660501.

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, 89771332071 + ... + 89771335550.

It is an arithmetic number, because the mean of its divisors is an integer number (18851980100310).

Almost surely, 2^{312404241660540} is an apocalyptic number.

312404241660540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312404241660540 is an abundant number, since it is smaller than the sum of its proper divisors (592490803154340).

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

312404241660540 is a wasteful number, since it uses less digits than its factorization.

312404241660540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179542667662 (or 179542667660 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 312404241660540 in words is "three hundred twelve trillion, four hundred four billion, two hundred forty-one million, six hundred sixty thousand, five hundred forty".