318890000520 has 384 divisors, whose sum is σ = 1315460217600. Its totient is φ = 67282016256.

The previous prime is 318890000519. The next prime is 318890000537. The reversal of 318890000520 is 25000098813.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1152844 + ... + 1402436.

It is an arithmetic number, because the mean of its divisors is an integer number (3425677650).

Almost surely, 2^318890000520 is an apocalyptic number.

318890000520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318890000520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657730108800).

318890000520 is an abundant number, since it is smaller than the sum of its proper divisors (996570217080).

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

318890000520 is a wasteful number, since it uses less digits than its factorization.

318890000520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249646 (or 249623 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 318890000520 in words is "three hundred eighteen billion, eight hundred ninety million, five hundred twenty", and thus it is an aban number.