84444440080 has 480 divisors, whose sum is σ = 270020217600. Its totient is φ = 24141680640.

The previous prime is 84444440057. The next prime is 84444440083. The reversal of 84444440080 is 8004444448.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (84444440083) 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 95 ways as a sum of consecutive naturals, for example, 111551062 + ... + 111551818.

It is an arithmetic number, because the mean of its divisors is an integer number (562542120).

Almost surely, 2^84444440080 is an apocalyptic number.

84444440080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84444440080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135010108800).

84444440080 is an abundant number, since it is smaller than the sum of its proper divisors (185575777520).

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

84444440080 is a wasteful number, since it uses less digits than its factorization.

84444440080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

The spelling of 84444440080 in words is "eighty-four billion, four hundred forty-four million, four hundred forty thousand, eighty".