36381845857788 has 36 divisors (see below), whose sum is σ = 91977261077520. Its totient is φ = 12125694312576.

The previous prime is 36381845857769. The next prime is 36381845857793. The reversal of 36381845857788 is 88775854818363.

36381845857788 is a `hidden beast` number, since 3 + 6 + 3 + 8 + 18 + 458 + 5 + 77 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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, 65872845 + ... + 66422852.

It is an arithmetic number, because the mean of its divisors is an integer number (2554923918820).

Almost surely, 2^{36381845857788} is an apocalyptic number.

It is an amenable number.

36381845857788 is an abundant number, since it is smaller than the sum of its proper divisors (55595415219732).

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

36381845857788 is a wasteful number, since it uses less digits than its factorization.

36381845857788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132303346 (or 132303341 counting only the distinct ones).

The product of its digits is 8670412800, while the sum is 81.

The spelling of 36381845857788 in words is "thirty-six trillion, three hundred eighty-one billion, eight hundred forty-five million, eight hundred fifty-seven thousand, seven hundred eighty-eight".