238898929464 has 48 divisors (see below), whose sum is σ = 696788547000. Its totient is φ = 73507362624.

The previous prime is 238898929459. The next prime is 238898929481. The reversal of 238898929464 is 464929898832.

238898929464 is a `hidden beast` number, since 2 + 3 + 8 + 89 + 89 + 2 + 9 + 464 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 238898929392 and 238898929401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127616014 + ... + 127617885.

Almost surely, 2^238898929464 is an apocalyptic number.

238898929464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

238898929464 is an abundant number, since it is smaller than the sum of its proper divisors (457889617536).

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

238898929464 is a wasteful number, since it uses less digits than its factorization.

238898929464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255233924 (or 255233917 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 72.

The spelling of 238898929464 in words is "two hundred thirty-eight billion, eight hundred ninety-eight million, nine hundred twenty-nine thousand, four hundred sixty-four".