238025503668942 has 64 divisors (see below), whose sum is σ = 577037753107200. Its totient is φ = 72128161873440.

The previous prime is 238025503668913. The next prime is 238025503668949. The reversal of 238025503668942 is 249866305520832.

238025503668942 is a `hidden beast` number, since 2 + 3 + 8 + 0 + 2 + 5 + 503 + 6 + 6 + 89 + 42 = 666.

It is a super-2 number, since 2×238025503668942² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 238025503668942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238025503668949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54141633 + ... + 58372659.

It is an arithmetic number, because the mean of its divisors is an integer number (9016214892300).

Almost surely, 2^{238025503668942} is an apocalyptic number.

238025503668942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

238025503668942 is an abundant number, since it is smaller than the sum of its proper divisors (339012249438258).

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

238025503668942 is a wasteful number, since it uses less digits than its factorization.

238025503668942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325758 (or 4325752 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 63.

The spelling of 238025503668942 in words is "two hundred thirty-eight trillion, twenty-five billion, five hundred three million, six hundred sixty-eight thousand, nine hundred forty-two".