525313715940 has 576 divisors, whose sum is σ = 1957231890432. Its totient is φ = 112649011200.

The previous prime is 525313715939. The next prime is 525313715999. The reversal of 525313715940 is 49517313525.

525313715940 is a `hidden beast` number, since 5 + 2 + 53 + 1 + 3 + 7 + 1 + 594 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 28353880 + ... + 28372400.

It is an arithmetic number, because the mean of its divisors is an integer number (3397972032).

Almost surely, 2^525313715940 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 525313715940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978615945216).

525313715940 is an abundant number, since it is smaller than the sum of its proper divisors (1431918174492).

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

525313715940 is a wasteful number, since it uses less digits than its factorization.

525313715940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18620 (or 18615 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The spelling of 525313715940 in words is "five hundred twenty-five billion, three hundred thirteen million, seven hundred fifteen thousand, nine hundred forty".