38426976784 has 45 divisors (see below), whose sum is σ = 86620112301. Its totient is φ = 16466352000.

The previous prime is 38426976761. The next prime is 38426976793. The reversal of 38426976784 is 48767962483.

The square root of 38426976784 is 196028.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16237895184 + 22189081600 = 127428^2 + 148960^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5485284 + ... + 5492284.

Almost surely, 2^38426976784 is an apocalyptic number.

38426976784 is the 196028-th square number.

It is an amenable number.

38426976784 is an abundant number, since it is smaller than the sum of its proper divisors (48193135517).

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

38426976784 is an frugal number, since it uses more digits than its factorization.

38426976784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14024 (or 7010 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 64.

Multiplying 38426976784 by its sum of digits (64), we get a square (2459326514176 = 1568224²).

The spelling of 38426976784 in words is "thirty-eight billion, four hundred twenty-six million, nine hundred seventy-six thousand, seven hundred eighty-four".