315155054706440 has 128 divisors (see below), whose sum is σ = 764051683500000. Its totient is φ = 116302981275648.

The previous prime is 315155054706439. The next prime is 315155054706467. The reversal of 315155054706440 is 44607450551513.

It can be written as a sum of positive squares in 16 ways, for example, as 16153341650884 + 299001713055556 = 4019122^2 + 17291666^2 .

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, 8133224186 + ... + 8133262934.

Almost surely, 2^{315155054706440} is an apocalyptic number.

It is an amenable number.

315155054706440 is an abundant number, since it is smaller than the sum of its proper divisors (448896628793560).

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

315155054706440 is a wasteful number, since it uses less digits than its factorization.

315155054706440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46699 (or 46695 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 50.

The spelling of 315155054706440 in words is "three hundred fifteen trillion, one hundred fifty-five billion, fifty-four million, seven hundred six thousand, four hundred forty".