396726181236 has 96 divisors (see below), whose sum is σ = 1282347279360. Its totient is φ = 103045759200.

The previous prime is 396726181211. The next prime is 396726181253. The reversal of 396726181236 is 632181627693.

396726181236 is a `hidden beast` number, since 3 + 9 + 6 + 7 + 2 + 618 + 12 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23844870 + ... + 23861501.

It is an arithmetic number, because the mean of its divisors is an integer number (13357784160).

Almost surely, 2^396726181236 is an apocalyptic number.

396726181236 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

396726181236 is an abundant number, since it is smaller than the sum of its proper divisors (885621098124).

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

396726181236 is a wasteful number, since it uses less digits than its factorization.

396726181236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47706402 (or 47706394 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 396726181236 in words is "three hundred ninety-six billion, seven hundred twenty-six million, one hundred eighty-one thousand, two hundred thirty-six".