44509740 has 96 divisors (see below), whose sum is σ = 143990784. Its totient is φ = 10152960.

The previous prime is 44509697. The next prime is 44509741. The reversal of 44509740 is 4790544.

It is a happy number.

It is a super-2 number, since 2×44509740² = 3962233909735200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (44509741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9237 + ... + 13203.

It is an arithmetic number, because the mean of its divisors is an integer number (1499904).

Almost surely, 2^44509740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44509740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71995392).

44509740 is an abundant number, since it is smaller than the sum of its proper divisors (99481044).

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

44509740 is a wasteful number, since it uses less digits than its factorization.

44509740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007 (or 4005 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 44509740 is about 6671.5620359853. The cubic root of 44509740 is about 354.3929053845.

The spelling of 44509740 in words is "forty-four million, five hundred nine thousand, seven hundred forty".