44349440 has 96 divisors (see below), whose sum is σ = 109680480. Its totient is φ = 17203200.

The previous prime is 44349433. The next prime is 44349463. The reversal of 44349440 is 4494344.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 44349397 and 44349406.

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, 624605 + ... + 624675.

It is an arithmetic number, because the mean of its divisors is an integer number (1142505).

Almost surely, 2^44349440 is an apocalyptic number.

44349440 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 44349440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54840240).

44349440 is an abundant number, since it is smaller than the sum of its proper divisors (65331040).

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

44349440 is an equidigital number, since it uses as much as digits as its factorization.

44349440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 44349440 is about 6659.5375214800. The cubic root of 44349440 is about 353.9669497909.

The spelling of 44349440 in words is "forty-four million, three hundred forty-nine thousand, four hundred forty".