381016844800 has 60 divisors (see below), whose sum is σ = 943999031646. Its totient is φ = 152406732800.

The previous prime is 381016844783. The next prime is 381016844833. The reversal of 381016844800 is 8448610183.

It can be written as a sum of positive squares in 3 ways, for example, as 228392233216 + 152624611584 = 477904^2 + 390672^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14870671 + ... + 14896270.

Almost surely, 2^381016844800 is an apocalyptic number.

It is an amenable number.

381016844800 is an abundant number, since it is smaller than the sum of its proper divisors (562982186846).

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

381016844800 is an equidigital number, since it uses as much as digits as its factorization.

381016844800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29766969 (or 29766948 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 381016844800 in words is "three hundred eighty-one billion, sixteen million, eight hundred forty-four thousand, eight hundred".