42444440080 has 40 divisors (see below), whose sum is σ = 112780942272. Its totient is φ = 14552379264.

The previous prime is 42444440021. The next prime is 42444440099. The reversal of 42444440080 is 8004444424.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37896262 + ... + 37897381.

Almost surely, 2^42444440080 is an apocalyptic number.

42444440080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42444440080 is an abundant number, since it is smaller than the sum of its proper divisors (70336502192).

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

42444440080 is a wasteful number, since it uses less digits than its factorization.

42444440080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75793663 (or 75793657 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 34.

The spelling of 42444440080 in words is "forty-two billion, four hundred forty-four million, four hundred forty thousand, eighty".