38390417938 has 8 divisors (see below), whose sum is σ = 60089349888. Its totient is φ = 18360634644.

The previous prime is 38390417917. The next prime is 38390417939. The reversal of 38390417938 is 83971409383.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (38390417939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417287106 + ... + 417287197.

It is an arithmetic number, because the mean of its divisors is an integer number (7511168736).

Almost surely, 2^38390417938 is an apocalyptic number.

38390417938 is a deficient number, since it is larger than the sum of its proper divisors (21698931950).

38390417938 is a wasteful number, since it uses less digits than its factorization.

38390417938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834574328.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 38390417938 in words is "thirty-eight billion, three hundred ninety million, four hundred seventeen thousand, nine hundred thirty-eight".