44497040 has 80 divisors (see below), whose sum is σ = 119159040. Its totient is φ = 15137280.

The previous prime is 44497039. The next prime is 44497081. The reversal of 44497040 is 4079444.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 44496988 and 44497006.

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, 101141 + ... + 101579.

It is an arithmetic number, because the mean of its divisors is an integer number (1489488).

Almost surely, 2^44497040 is an apocalyptic number.

44497040 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 44497040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59579520).

44497040 is an abundant number, since it is smaller than the sum of its proper divisors (74662000).

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

44497040 is a wasteful number, since it uses less digits than its factorization.

44497040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 44497040 is about 6670.6101669937. The cubic root of 44497040 is about 354.3591957737.

The spelling of 44497040 in words is "forty-four million, four hundred ninety-seven thousand, forty".