42538009888 has 24 divisors (see below), whose sum is σ = 91360044720. Its totient is φ = 19335458880.

The previous prime is 42538009879. The next prime is 42538009897. The reversal of 42538009888 is 88890083524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42538009879) and next prime (42538009897).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60422958 + ... + 60423661.

It is an arithmetic number, because the mean of its divisors is an integer number (3806668530).

Almost surely, 2^42538009888 is an apocalyptic number.

It is an amenable number.

42538009888 is an abundant number, since it is smaller than the sum of its proper divisors (48822034832).

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

42538009888 is a wasteful number, since it uses less digits than its factorization.

42538009888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120846640 (or 120846632 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 42538009888 in words is "forty-two billion, five hundred thirty-eight million, nine thousand, eight hundred eighty-eight".