381057779200 has 120 divisors (see below), whose sum is σ = 1078972160112. Its totient is φ = 130648350720.

The previous prime is 381057779197. The next prime is 381057779227. The reversal of 381057779200 is 2977750183.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2036839 + ... + 2216038.

Almost surely, 2^381057779200 is an apocalyptic number.

It is an amenable number.

381057779200 is an abundant number, since it is smaller than the sum of its proper divisors (697914380912).

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

381057779200 is an equidigital number, since it uses as much as digits as its factorization.

381057779200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252912 (or 4252891 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 49.

The spelling of 381057779200 in words is "three hundred eighty-one billion, fifty-seven million, seven hundred seventy-nine thousand, two hundred".