84444080880 has 40 divisors (see below), whose sum is σ = 261776651472. Its totient is φ = 22518421504.

The previous prime is 84444080873. The next prime is 84444080887. The reversal of 84444080880 is 8808044448.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84444080873) and next prime (84444080887).

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 (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84444080887) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 175924929 + ... + 175925408.

Almost surely, 2^84444080880 is an apocalyptic number.

84444080880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84444080880 is an abundant number, since it is smaller than the sum of its proper divisors (177332570592).

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

84444080880 is a wasteful number, since it uses less digits than its factorization.

84444080880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351850353 (or 351850347 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 48.

The spelling of 84444080880 in words is "eighty-four billion, four hundred forty-four million, eighty thousand, eight hundred eighty".