315818839420 has 48 divisors (see below), whose sum is σ = 797858127360. Its totient is φ = 102581757504.

The previous prime is 315818839397. The next prime is 315818839421. The reversal of 315818839420 is 24938818513.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315818839421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59361784 + ... + 59367103.

It is an arithmetic number, because the mean of its divisors is an integer number (16622044320).

Almost surely, 2^315818839420 is an apocalyptic number.

It is an amenable number.

315818839420 is an abundant number, since it is smaller than the sum of its proper divisors (482039287940).

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

315818839420 is a wasteful number, since it uses less digits than its factorization.

315818839420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118728922 (or 118728920 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 315818839420 in words is "three hundred fifteen billion, eight hundred eighteen million, eight hundred thirty-nine thousand, four hundred twenty".