440444000080 has 40 divisors (see below), whose sum is σ = 1170322630272. Its totient is φ = 151009371264.

The previous prime is 440444000057. The next prime is 440444000083. The reversal of 440444000080 is 80000444044.

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

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440444000083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393253012 + ... + 393254131.

Almost surely, 2^440444000080 is an apocalyptic number.

440444000080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440444000080 is an abundant number, since it is smaller than the sum of its proper divisors (729878630192).

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

440444000080 is a wasteful number, since it uses less digits than its factorization.

440444000080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786507163 (or 786507157 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The spelling of 440444000080 in words is "four hundred forty billion, four hundred forty-four million, eighty", and thus it is an aban number.