938980891488 has 48 divisors (see below), whose sum is σ = 2468253150720. Its totient is φ = 312558289536.

The previous prime is 938980891421. The next prime is 938980891489. The reversal of 938980891488 is 884198089839.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×938980891488² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938980891489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6732820 + ... + 6870867.

It is an arithmetic number, because the mean of its divisors is an integer number (51421940640).

Almost surely, 2^938980891488 is an apocalyptic number.

It is an amenable number.

938980891488 is an abundant number, since it is smaller than the sum of its proper divisors (1529272259232).

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

938980891488 is a wasteful number, since it uses less digits than its factorization.

938980891488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13604419 (or 13604411 counting only the distinct ones).

The product of its (nonzero) digits is 286654464, while the sum is 75.

The spelling of 938980891488 in words is "nine hundred thirty-eight billion, nine hundred eighty million, eight hundred ninety-one thousand, four hundred eighty-eight".