636412214636 has 48 divisors (see below), whose sum is σ = 1227306880800. Its totient is φ = 286342080000.

The previous prime is 636412214621. The next prime is 636412214677.

636412214636 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×636412214636² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20200016 + ... + 20231496.

It is an arithmetic number, because the mean of its divisors is an integer number (25568893350).

Almost surely, 2^636412214636 is an apocalyptic number.

It is an amenable number.

636412214636 is a deficient number, since it is larger than the sum of its proper divisors (590894666164).

636412214636 is a wasteful number, since it uses less digits than its factorization.

636412214636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36146 (or 36144 counting only the distinct ones).

The product of its digits is 746496, while the sum is 44.

The spelling of 636412214636 in words is "six hundred thirty-six billion, four hundred twelve million, two hundred fourteen thousand, six hundred thirty-six".