315890454528 has 416 divisors, whose sum is σ = 1031845825920. Its totient is φ = 94702141440.

The previous prime is 315890454499. The next prime is 315890454589. The reversal of 315890454528 is 825454098513.

315890454528 is a `hidden beast` number, since 3 + 1 + 5 + 8 + 90 + 4 + 545 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118000326 + ... + 118003002.

It is an arithmetic number, because the mean of its divisors is an integer number (2480398620).

Almost surely, 2^315890454528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315890454528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515922912960).

315890454528 is an abundant number, since it is smaller than the sum of its proper divisors (715955371392).

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

315890454528 is a wasteful number, since it uses less digits than its factorization.

315890454528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818 (or 2790 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 315890454528 in words is "three hundred fifteen billion, eight hundred ninety million, four hundred fifty-four thousand, five hundred twenty-eight".