238916555142 has 64 divisors (see below), whose sum is σ = 490200145920. Its totient is φ = 77603652000.

The previous prime is 238916555023. The next prime is 238916555159. The reversal of 238916555142 is 241555619832.

It is a happy number.

It is a super-2 number, since 2×238916555142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26241363 + ... + 26250465.

It is an arithmetic number, because the mean of its divisors is an integer number (7659377280).

Almost surely, 2^238916555142 is an apocalyptic number.

238916555142 is an abundant number, since it is smaller than the sum of its proper divisors (251283590778).

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

238916555142 is a wasteful number, since it uses less digits than its factorization.

238916555142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9809.

The product of its digits is 2592000, while the sum is 51.

The spelling of 238916555142 in words is "two hundred thirty-eight billion, nine hundred sixteen million, five hundred fifty-five thousand, one hundred forty-two".