525422536864 has 96 divisors (see below), whose sum is σ = 1064803574016. Its totient is φ = 255091829760.

The previous prime is 525422536861. The next prime is 525422536897. The reversal of 525422536864 is 468635224525.

It is not an unprimeable number, because it can be changed into a prime (525422536861) 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, 127126542 + ... + 127130674.

It is an arithmetic number, because the mean of its divisors is an integer number (11091703896).

Almost surely, 2^525422536864 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 525422536864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532401787008).

525422536864 is an abundant number, since it is smaller than the sum of its proper divisors (539381037152).

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

525422536864 is a wasteful number, since it uses less digits than its factorization.

525422536864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838 (or 4830 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 52.

The spelling of 525422536864 in words is "five hundred twenty-five billion, four hundred twenty-two million, five hundred thirty-six thousand, eight hundred sixty-four".