38128429204 has 24 divisors (see below), whose sum is σ = 67598763008. Its totient is φ = 18816053760.

The previous prime is 38128429187. The next prime is 38128429259. The reversal of 38128429204 is 40292482183.

It is a happy number.

It is a super-2 number, since 2×38128429204² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96402 + ... + 292489.

Almost surely, 2^38128429204 is an apocalyptic number.

It is an amenable number.

38128429204 is a deficient number, since it is larger than the sum of its proper divisors (29470333804).

38128429204 is a wasteful number, since it uses less digits than its factorization.

38128429204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389215 (or 389213 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 38128429204 in words is "thirty-eight billion, one hundred twenty-eight million, four hundred twenty-nine thousand, two hundred four".