42251108844 has 24 divisors (see below), whose sum is σ = 112669623808. Its totient is φ = 12071745360.

The previous prime is 42251108839. The next prime is 42251108897. The reversal of 42251108844 is 44880115224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251494612 + ... + 251494779.

Almost surely, 2^42251108844 is an apocalyptic number.

It is an amenable number.

42251108844 is an abundant number, since it is smaller than the sum of its proper divisors (70418514964).

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

42251108844 is a wasteful number, since it uses less digits than its factorization.

42251108844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502989405 (or 502989403 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

The spelling of 42251108844 in words is "forty-two billion, two hundred fifty-one million, one hundred eight thousand, eight hundred forty-four".