44401996800 has 1980 divisors, whose sum is σ = 210078205920. Its totient is φ = 9196830720.

The previous prime is 44401996799. The next prime is 44401996801. The reversal of 44401996800 is 869910444.

It is an interprime number because it is at equal distance from previous prime (44401996799) and next prime (44401996801).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44401996801) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 1930521589 + ... + 1930521611.

It is an arithmetic number, because the mean of its divisors is an integer number (106100104).

Almost surely, 2^44401996800 is an apocalyptic number.

44401996800 is a gapful number since it is divisible by the number (40) 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 44401996800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105039102960).

44401996800 is an abundant number, since it is smaller than the sum of its proper divisors (165676209120).

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

44401996800 is a wasteful number, since it uses less digits than its factorization.

44401996800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 44401996800 in words is "forty-four billion, four hundred one million, nine hundred ninety-six thousand, eight hundred".