635252252536 has 48 divisors (see below), whose sum is σ = 1314318161520. Its totient is φ = 287627366400.

The previous prime is 635252252527. The next prime is 635252252549.

635252252536 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1027980 + ... + 1525531.

It is an arithmetic number, because the mean of its divisors is an integer number (27381628365).

Almost surely, 2^635252252536 is an apocalyptic number.

It is an amenable number.

635252252536 is an abundant number, since it is smaller than the sum of its proper divisors (679065908984).

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

635252252536 is a wasteful number, since it uses less digits than its factorization.

635252252536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553796 (or 2553781 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 46.

It can be divided in two parts, 635252 and 252536, that added together give a palindrome (887788).

The spelling of 635252252536 in words is "six hundred thirty-five billion, two hundred fifty-two million, two hundred fifty-two thousand, five hundred thirty-six".