38446574004 has 18 divisors (see below), whose sum is σ = 97184395490. Its totient is φ = 12815524656.

The previous prime is 38446574003. The next prime is 38446574017. The reversal of 38446574004 is 40047564483.

38446574004 is a `hidden beast` number, since 38 + 4 + 46 + 574 + 0 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33247875600 + 5198698404 = 182340^2 + 72102^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38446574003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 533980159 + ... + 533980230.

Almost surely, 2^38446574004 is an apocalyptic number.

It is an amenable number.

38446574004 is an abundant number, since it is smaller than the sum of its proper divisors (58737821486).

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

38446574004 is a wasteful number, since it uses less digits than its factorization.

38446574004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067960399 (or 1067960394 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 38446574004 in words is "thirty-eight billion, four hundred forty-six million, five hundred seventy-four thousand, four".