38957899000 has 64 divisors (see below), whose sum is σ = 91227708000. Its totient is φ = 15571840000.

The previous prime is 38957898997. The next prime is 38957899009. The reversal of 38957899000 is 99875983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38957899009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437576 + ... + 1464424.

Almost surely, 2^38957899000 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 38957899000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45613854000).

38957899000 is an abundant number, since it is smaller than the sum of its proper divisors (52269809000).

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

38957899000 is a wasteful number, since it uses less digits than its factorization.

38957899000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28321 (or 28307 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 38957899000 in words is "thirty-eight billion, nine hundred fifty-seven million, eight hundred ninety-nine thousand".