44799840 has 144 divisors (see below), whose sum is σ = 156029328. Its totient is φ = 11701248.

The previous prime is 44799829. The next prime is 44799869. The reversal of 44799840 is 4899744.

44799840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76027 + ... + 76613.

It is an arithmetic number, because the mean of its divisors is an integer number (1083537).

Almost surely, 2^44799840 is an apocalyptic number.

44799840 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 44799840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78014664).

44799840 is an abundant number, since it is smaller than the sum of its proper divisors (111229488).

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

44799840 is a wasteful number, since it uses less digits than its factorization.

44799840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 44799840 is about 6693.2682599758. The cubic root of 44799840 is about 355.1611778851.

The spelling of 44799840 in words is "forty-four million, seven hundred ninety-nine thousand, eight hundred forty".