38626989456 has 160 divisors (see below), whose sum is σ = 112174927488. Its totient is φ = 11350609920.

The previous prime is 38626989431. The next prime is 38626989463. The reversal of 38626989456 is 65498962683.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6111610 + ... + 6117926.

Almost surely, 2^38626989456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38626989456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56087463744).

38626989456 is an abundant number, since it is smaller than the sum of its proper divisors (73547938032).

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

38626989456 is a wasteful number, since it uses less digits than its factorization.

38626989456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689 (or 6683 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 66.

The spelling of 38626989456 in words is "thirty-eight billion, six hundred twenty-six million, nine hundred eighty-nine thousand, four hundred fifty-six".