38394875904 has 936 divisors, whose sum is σ = 143069117184. Its totient is φ = 9083289600.

The previous prime is 38394875903. The next prime is 38394875923. The reversal of 38394875904 is 40957849383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38394875903) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1238544369 + ... + 1238544399.

Almost surely, 2^38394875904 is an apocalyptic number.

38394875904 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38394875904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71534558592).

38394875904 is an abundant number, since it is smaller than the sum of its proper divisors (104674241280).

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

38394875904 is a wasteful number, since it uses less digits than its factorization.

38394875904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 38394875904 in words is "thirty-eight billion, three hundred ninety-four million, eight hundred seventy-five thousand, nine hundred four".