38626323444 has 48 divisors (see below), whose sum is σ = 100187673600. Its totient is φ = 12869610048.

The previous prime is 38626323431. The next prime is 38626323473. The reversal of 38626323444 is 44432362683.

It is a happy number.

38626323444 is a `hidden beast` number, since 3 + 8 + 6 + 2 + 632 + 3 + 4 + 4 + 4 = 666.

It is a super-2 number, since 2×38626323444² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38626323444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161944 + ... + 321680.

It is an arithmetic number, because the mean of its divisors is an integer number (2087243200).

Almost surely, 2^38626323444 is an apocalyptic number.

It is an amenable number.

38626323444 is an abundant number, since it is smaller than the sum of its proper divisors (61561350156).

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

38626323444 is a wasteful number, since it uses less digits than its factorization.

38626323444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161989 (or 161981 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 45.

The spelling of 38626323444 in words is "thirty-eight billion, six hundred twenty-six million, three hundred twenty-three thousand, four hundred forty-four".