444440040084 has 36 divisors (see below), whose sum is σ = 1123610933536. Its totient is φ = 148124885328.

The previous prime is 444440040041. The next prime is 444440040101. The reversal of 444440040084 is 480040044444.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 659074 + ... + 1150329.

Almost surely, 2^444440040084 is an apocalyptic number.

It is an amenable number.

444440040084 is an abundant number, since it is smaller than the sum of its proper divisors (679170893452).

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

444440040084 is a wasteful number, since it uses less digits than its factorization.

444440040084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816236 (or 1816231 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 36.

The spelling of 444440040084 in words is "four hundred forty-four billion, four hundred forty million, forty thousand, eighty-four".