38251344736 has 72 divisors (see below), whose sum is σ = 85013334000. Its totient is φ = 16916993280.

The previous prime is 38251344727. The next prime is 38251344763. The reversal of 38251344736 is 63744315283.

It is a super-2 number, since 2×38251344736² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9765 + ... + 276763.

It is an arithmetic number, because the mean of its divisors is an integer number (1180740750).

Almost surely, 2^38251344736 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 38251344736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42506667000).

38251344736 is an abundant number, since it is smaller than the sum of its proper divisors (46761989264).

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

38251344736 is a wasteful number, since it uses less digits than its factorization.

38251344736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267068 (or 267049 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 46.

The spelling of 38251344736 in words is "thirty-eight billion, two hundred fifty-one million, three hundred forty-four thousand, seven hundred thirty-six".