44340540 has 72 divisors (see below), whose sum is σ = 128454480. Its totient is φ = 11427840.

The previous prime is 44340529. The next prime is 44340553. The reversal of 44340540 is 4504344.

It is a self number, because there is not a number n which added to its sum of digits gives 44340540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57276 + ... + 58044.

It is an arithmetic number, because the mean of its divisors is an integer number (1784090).

Almost surely, 2^44340540 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 44340540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64227240).

44340540 is an abundant number, since it is smaller than the sum of its proper divisors (84113940).

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

44340540 is a wasteful number, since it uses less digits than its factorization.

44340540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 44340540 is about 6658.8692733827. The cubic root of 44340540 is about 353.9432702991.

Adding to 44340540 its reverse (4504344), we get a palindrome (48844884).

The spelling of 44340540 in words is "forty-four million, three hundred forty thousand, five hundred forty".