312042400434304 has 64 divisors (see below), whose sum is σ = 648680367075840. Its totient is φ = 149236457711616.

The previous prime is 312042400434293. The next prime is 312042400434379. The reversal of 312042400434304 is 403434004240213.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 312042400434304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437926129 + ... + 438638095.

It is an arithmetic number, because the mean of its divisors is an integer number (10135630735560).

Almost surely, 2^{312042400434304} is an apocalyptic number.

It is an amenable number.

312042400434304 is an abundant number, since it is smaller than the sum of its proper divisors (336637966641536).

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

312042400434304 is a wasteful number, since it uses less digits than its factorization.

312042400434304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860877 (or 860865 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 312042400434304 its reverse (403434004240213), we get a palindrome (715476404674517).

The spelling of 312042400434304 in words is "three hundred twelve trillion, forty-two billion, four hundred million, four hundred thirty-four thousand, three hundred four".