38890820584 has 192 divisors, whose sum is σ = 95118408000. Its totient is φ = 14732928000.

The previous prime is 38890820557. The next prime is 38890820663. The reversal of 38890820584 is 48502809883.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64709884 + ... + 64710484.

It is an arithmetic number, because the mean of its divisors is an integer number (495408375).

Almost surely, 2^38890820584 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 38890820584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47559204000).

38890820584 is an abundant number, since it is smaller than the sum of its proper divisors (56227587416).

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

38890820584 is a wasteful number, since it uses less digits than its factorization.

38890820584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 38890820584 in words is "thirty-eight billion, eight hundred ninety million, eight hundred twenty thousand, five hundred eighty-four".