238554909455832 has 144 divisors (see below), whose sum is σ = 703066559340600. Its totient is φ = 73015371356160.

The previous prime is 238554909455813. The next prime is 238554909455881.

238554909455832 is a `hidden beast` number, since 2 + 3 + 8 + 5 + 5 + 4 + 90 + 9 + 455 + 83 + 2 = 666.

238554909455832 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×238554909455832³ (a number of 44 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 138958782 + ... + 140665037.

Almost surely, 2^{238554909455832} is an apocalyptic number.

It is an amenable number.

238554909455832 is an abundant number, since it is smaller than the sum of its proper divisors (464511649884768).

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

238554909455832 is a wasteful number, since it uses less digits than its factorization.

238554909455832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279623906 (or 279623882 counting only the distinct ones).

The product of its (nonzero) digits is 1866240000, while the sum is 72.

The spelling of 238554909455832 in words is "two hundred thirty-eight trillion, five hundred fifty-four billion, nine hundred nine million, four hundred fifty-five thousand, eight hundred thirty-two".