38899378050 has 48 divisors (see below), whose sum is σ = 103891267200. Its totient is φ = 9575231040.

The previous prime is 38899378043. The next prime is 38899378093. The reversal of 38899378050 is 5087399883.

It is a happy number.

It is a super-2 number, since 2×38899378050² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9972250 + ... + 9976149.

It is an arithmetic number, because the mean of its divisors is an integer number (2164401400).

Almost surely, 2^38899378050 is an apocalyptic number.

38899378050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38899378050 is an abundant number, since it is smaller than the sum of its proper divisors (64991889150).

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

38899378050 is a wasteful number, since it uses less digits than its factorization.

38899378050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19948427 (or 19948422 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 38899378050 in words is "thirty-eight billion, eight hundred ninety-nine million, three hundred seventy-eight thousand, fifty".