44020449408 has 192 divisors, whose sum is σ = 128773000800. Its totient is φ = 13314023424.

The previous prime is 44020449391. The next prime is 44020449433. The reversal of 44020449408 is 80494402044.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3823116 + ... + 3834612.

Almost surely, 2^44020449408 is an apocalyptic number.

44020449408 is a gapful number since it is divisible by the number (48) 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 44020449408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64386500400).

44020449408 is an abundant number, since it is smaller than the sum of its proper divisors (84752551392).

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

44020449408 is a wasteful number, since it uses less digits than its factorization.

44020449408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11599 (or 11574 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 44020449408 in words is "forty-four billion, twenty million, four hundred forty-nine thousand, four hundred eight".