44464240 has 40 divisors (see below), whose sum is σ = 104421888. Its totient is φ = 17606400.

The previous prime is 44464219. The next prime is 44464271. The reversal of 44464240 is 4246444.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 44464199 and 44464208.

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, 5329 + ... + 10831.

Almost surely, 2^44464240 is an apocalyptic number.

44464240 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 44464240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52210944).

44464240 is an abundant number, since it is smaller than the sum of its proper divisors (59957648).

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

44464240 is a wasteful number, since it uses less digits than its factorization.

44464240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617 (or 5611 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 44464240 is about 6668.1511680525. The cubic root of 44464240 is about 354.2721050468.

The spelling of 44464240 in words is "forty-four million, four hundred sixty-four thousand, two hundred forty".