38421560528 has 60 divisors (see below), whose sum is σ = 81930350988. Its totient is φ = 17442247680.

The previous prime is 38421560483. The next prime is 38421560603. The reversal of 38421560528 is 82506512483.

It can be written as a sum of positive squares in 6 ways, for example, as 20188999744 + 18232560784 = 142088^2 + 135028^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 48476 + ... + 281412.

Almost surely, 2^38421560528 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 38421560528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40965175494).

38421560528 is an abundant number, since it is smaller than the sum of its proper divisors (43508790460).

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

38421560528 is a wasteful number, since it uses less digits than its factorization.

38421560528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233032 (or 233013 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 38421560528 in words is "thirty-eight billion, four hundred twenty-one million, five hundred sixty thousand, five hundred twenty-eight".