44130520 has 48 divisors (see below), whose sum is σ = 113765040. Its totient is φ = 15092352.

The previous prime is 44130517. The next prime is 44130523. The reversal of 44130520 is 2503144.

It is an interprime number because it is at equal distance from previous prime (44130517) and next prime (44130523).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44130523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110962 + ... + 111358.

It is an arithmetic number, because the mean of its divisors is an integer number (2370105).

Almost surely, 2^44130520 is an apocalyptic number.

44130520 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 44130520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56882520).

44130520 is an abundant number, since it is smaller than the sum of its proper divisors (69634520).

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

44130520 is an equidigital number, since it uses as much as digits as its factorization.

44130520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 44130520 is about 6643.0806106806. The cubic root of 44130520 is about 353.3835655018.

Adding to 44130520 its reverse (2503144), we get a palindrome (46633664).

The spelling of 44130520 in words is "forty-four million, one hundred thirty thousand, five hundred twenty".