38427393744 has 30 divisors (see below), whose sum is σ = 107543331506. Its totient is φ = 12809131200.

The previous prime is 38427393677. The next prime is 38427393751. The reversal of 38427393744 is 44739372483.

It can be written as a sum of positive squares in only one way, i.e., 28264334400 + 10163059344 = 168120^2 + 100812^2 .

It is a congruent number.

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, 133428307 + ... + 133428594.

Almost surely, 2^38427393744 is an apocalyptic number.

It is an amenable number.

38427393744 is an abundant number, since it is smaller than the sum of its proper divisors (69115937762).

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

38427393744 is a wasteful number, since it uses less digits than its factorization.

38427393744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266856915 (or 266856906 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 54.

It can be divided in two parts, 3842739 and 3744, that added together give a palindrome (3846483).

The spelling of 38427393744 in words is "thirty-eight billion, four hundred twenty-seven million, three hundred ninety-three thousand, seven hundred forty-four".