315556415256340 has 96 divisors (see below), whose sum is σ = 691752906915840. Its totient is φ = 120687014570496.

The previous prime is 315556415256323. The next prime is 315556415256343. The reversal of 315556415256340 is 43652514655513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315556415256343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15476786866 + ... + 15476807254.

It is an arithmetic number, because the mean of its divisors is an integer number (7205759447040).

Almost surely, 2^{315556415256340} is an apocalyptic number.

It is an amenable number.

315556415256340 is an abundant number, since it is smaller than the sum of its proper divisors (376196491659500).

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

315556415256340 is a wasteful number, since it uses less digits than its factorization.

315556415256340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32041 (or 32039 counting only the distinct ones).

The product of its (nonzero) digits is 32400000, while the sum is 55.

The spelling of 315556415256340 in words is "three hundred fifteen trillion, five hundred fifty-six billion, four hundred fifteen million, two hundred fifty-six thousand, three hundred forty".