44002560 has 144 divisors (see below), whose sum is σ = 160707456. Its totient is φ = 10051584.

The previous prime is 44002549. The next prime is 44002571. The reversal of 44002560 is 6520044.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44002549) and next prime (44002571).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26062 + ... + 27698.

It is an arithmetic number, because the mean of its divisors is an integer number (1116024).

Almost surely, 2^44002560 is an apocalyptic number.

44002560 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 44002560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80353728).

44002560 is an abundant number, since it is smaller than the sum of its proper divisors (116704896).

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

44002560 is a wasteful number, since it uses less digits than its factorization.

44002560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 44002560 is about 6633.4425451646. The cubic root of 44002560 is about 353.0416801360.

The spelling of 44002560 in words is "forty-four million, two thousand, five hundred sixty".