44195840 has 112 divisors (see below), whose sum is σ = 115598448. Its totient is φ = 16121856.

The previous prime is 44195831. The next prime is 44195861. The reversal of 44195840 is 4859144.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 44195840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532439 + ... + 532521.

It is an arithmetic number, because the mean of its divisors is an integer number (1032129).

Almost surely, 2^44195840 is an apocalyptic number.

44195840 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 44195840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57799224).

44195840 is an abundant number, since it is smaller than the sum of its proper divisors (71402608).

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

44195840 is an equidigital number, since it uses as much as digits as its factorization.

44195840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 44195840 is about 6647.9951865205. The cubic root of 44195840 is about 353.5578336730.

The spelling of 44195840 in words is "forty-four million, one hundred ninety-five thousand, eight hundred forty".