238836769980 has 48 divisors (see below), whose sum is σ = 668764551840. Its totient is φ = 63687748608.

The previous prime is 238836769967. The next prime is 238836770033. The reversal of 238836769980 is 89967638832.

It is a super-3 number, since 3×238836769980³ (a number of 35 digits) contains 333 as substring.

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, 3082272 + ... + 3158808.

It is an arithmetic number, because the mean of its divisors is an integer number (13932594830).

Almost surely, 2^238836769980 is an apocalyptic number.

238836769980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238836769980 is an abundant number, since it is smaller than the sum of its proper divisors (429927781860).

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

238836769980 is a wasteful number, since it uses less digits than its factorization.

238836769980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128558 (or 128556 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 69.

The spelling of 238836769980 in words is "two hundred thirty-eight billion, eight hundred thirty-six million, seven hundred sixty-nine thousand, nine hundred eighty".