38734844544 has 256 divisors, whose sum is σ = 125278358400. Its totient is φ = 11684782080.

The previous prime is 38734844527. The next prime is 38734844549. The reversal of 38734844544 is 44544843783.

38734844544 is a `hidden beast` number, since 3 + 87 + 3 + 484 + 45 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (38734844549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8855542 + ... + 8859914.

Almost surely, 2^38734844544 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 38734844544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62639179200).

38734844544 is an abundant number, since it is smaller than the sum of its proper divisors (86543513856).

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

38734844544 is a wasteful number, since it uses less digits than its factorization.

38734844544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640 (or 4622 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 54.

The spelling of 38734844544 in words is "thirty-eight billion, seven hundred thirty-four million, eight hundred forty-four thousand, five hundred forty-four".