42125540718888 has 384 divisors, whose sum is σ = 133201942473600. Its totient is φ = 11885410713600.

The previous prime is 42125540718839. The next prime is 42125540718913. The reversal of 42125540718888 is 88881704552124.

It is a happy number.

42125540718888 is a `hidden beast` number, since 4 + 2 + 1 + 2 + 5 + 540 + 7 + 1 + 8 + 8 + 88 = 666.

It is a super-2 number, since 2×42125540718888² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 943629048 + ... + 943673688.

It is an arithmetic number, because the mean of its divisors is an integer number (346880058525).

Almost surely, 2^{42125540718888} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42125540718888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66600971236800).

42125540718888 is an abundant number, since it is smaller than the sum of its proper divisors (91076401754712).

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

42125540718888 is a wasteful number, since it uses less digits than its factorization.

42125540718888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45433 (or 45426 counting only the distinct ones).

The product of its (nonzero) digits is 45875200, while the sum is 63.

The spelling of 42125540718888 in words is "forty-two trillion, one hundred twenty-five billion, five hundred forty million, seven hundred eighteen thousand, eight hundred eighty-eight".