635233725522560 has 64 divisors (see below), whose sum is σ = 1533349369169280. Its totient is φ = 251626563093504.

The previous prime is 635233725522547. The next prime is 635233725522563. The reversal of 635233725522560 is 65225527332536.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 635233725522496 and 635233725522505.

It is not an unprimeable number, because it can be changed into a prime (635233725522563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4818151052 + ... + 4818282891.

It is an arithmetic number, because the mean of its divisors is an integer number (23958583893270).

Almost surely, 2^{635233725522560} is an apocalyptic number.

It is an amenable number.

635233725522560 is an abundant number, since it is smaller than the sum of its proper divisors (898115643646720).

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

635233725522560 is a wasteful number, since it uses less digits than its factorization.

635233725522560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9636434065 (or 9636434053 counting only the distinct ones).

The product of its (nonzero) digits is 68040000, while the sum is 56.

The spelling of 635233725522560 in words is "six hundred thirty-five trillion, two hundred thirty-three billion, seven hundred twenty-five million, five hundred twenty-two thousand, five hundred sixty".