525894079464 has 192 divisors, whose sum is σ = 1584350476800. Its totient is φ = 156493555200.

The previous prime is 525894079457. The next prime is 525894079511. The reversal of 525894079464 is 464970498525.

525894079464 is a `hidden beast` number, since 5 + 2 + 5 + 89 + 407 + 94 + 64 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53993907 + ... + 54003645.

It is an arithmetic number, because the mean of its divisors is an integer number (8251825400).

Almost surely, 2^525894079464 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 525894079464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792175238400).

525894079464 is an abundant number, since it is smaller than the sum of its proper divisors (1058456397336).

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

525894079464 is a wasteful number, since it uses less digits than its factorization.

525894079464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11656 (or 11649 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 525894079464 in words is "five hundred twenty-five billion, eight hundred ninety-four million, seventy-nine thousand, four hundred sixty-four".