38890989508984 has 64 divisors (see below), whose sum is σ = 75176334303840. Its totient is φ = 18850810030080.

The previous prime is 38890989508967. The next prime is 38890989508999. The reversal of 38890989508984 is 48980598909883.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38890989508895 and 38890989508904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239376162 + ... + 239538574.

Almost surely, 2^{38890989508984} is an apocalyptic number.

It is an amenable number.

38890989508984 is a deficient number, since it is larger than the sum of its proper divisors (36285344794856).

38890989508984 is a wasteful number, since it uses less digits than its factorization.

38890989508984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167680 (or 167676 counting only the distinct ones).

The product of its (nonzero) digits is 12899450880, while the sum is 88.

The spelling of 38890989508984 in words is "thirty-eight trillion, eight hundred ninety billion, nine hundred eighty-nine million, five hundred eight thousand, nine hundred eighty-four".