315656253438 has 8 divisors (see below), whose sum is σ = 631312506888. Its totient is φ = 105218751144.

The previous prime is 315656253427. The next prime is 315656253443. The reversal of 315656253438 is 834352656513.

It is a sphenic number, since it is the product of 3 distinct primes.

315656253438 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26304687781 + ... + 26304687792.

It is an arithmetic number, because the mean of its divisors is an integer number (78914063361).

Almost surely, 2^315656253438 is an apocalyptic number.

315656253438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

315656253438 is a wasteful number, since it uses less digits than its factorization.

315656253438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52609375578.

The product of its digits is 7776000, while the sum is 51.

The spelling of 315656253438 in words is "three hundred fifteen billion, six hundred fifty-six million, two hundred fifty-three thousand, four hundred thirty-eight".