315256479528402 has 24 divisors (see below), whose sum is σ = 699715600906140. Its totient is φ = 102522432366720.

The previous prime is 315256479528283. The next prime is 315256479528407. The reversal of 315256479528402 is 204825974652513.

315256479528402 is a `hidden beast` number, since 3 + 1 + 5 + 2 + 5 + 64 + 7 + 9 + 528 + 40 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 277430031125361 + 37826448403041 = 16656231^2 + 6150321^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 315256479528402.

It is not an unprimeable number, because it can be changed into a prime (315256479528407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213588400027 + ... + 213588401502.

It is a 1-persistent number, because it is pandigital, but 2⋅315256479528402 = 630512959056804 is not.

Almost surely, 2^{315256479528402} is an apocalyptic number.

315256479528402 is an abundant number, since it is smaller than the sum of its proper divisors (384459121377738).

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

315256479528402 is a wasteful number, since it uses less digits than its factorization.

315256479528402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427176801578 (or 427176801575 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 63.

The spelling of 315256479528402 in words is "three hundred fifteen trillion, two hundred fifty-six billion, four hundred seventy-nine million, five hundred twenty-eight thousand, four hundred two".