44530140 has 96 divisors (see below), whose sum is σ = 133358400. Its totient is φ = 11063296.

The previous prime is 44530121. The next prime is 44530147. The reversal of 44530140 is 4103544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44530147) 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, 151834 + ... + 152126.

It is an arithmetic number, because the mean of its divisors is an integer number (1389150).

Almost surely, 2^44530140 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 44530140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66679200).

44530140 is an abundant number, since it is smaller than the sum of its proper divisors (88828260).

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

44530140 is a wasteful number, since it uses less digits than its factorization.

44530140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 469 counting only the distinct ones).

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

The square root of 44530140 is about 6673.0907381812. The cubic root of 44530140 is about 354.4470396859.

Adding to 44530140 its reverse (4103544), we get a palindrome (48633684).

The spelling of 44530140 in words is "forty-four million, five hundred thirty thousand, one hundred forty".