10238408921988 has 120 divisors (see below), whose sum is σ = 29753896282880. Its totient is φ = 3048657704640.

The previous prime is 10238408921893. The next prime is 10238408922017. The reversal of 10238408921988 is 88912980483201.

10238408921988 is a `hidden beast` number, since 1 + 0 + 2 + 3 + 8 + 408 + 9 + 219 + 8 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39075418 + ... + 39336561.

Almost surely, 2^{10238408921988} is an apocalyptic number.

10238408921988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10238408921988 is an abundant number, since it is smaller than the sum of its proper divisors (19515487360892).

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

10238408921988 is a wasteful number, since it uses less digits than its factorization.

10238408921988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78412039 (or 78412028 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 63.

The spelling of 10238408921988 in words is "ten trillion, two hundred thirty-eight billion, four hundred eight million, nine hundred twenty-one thousand, nine hundred eighty-eight".