44340520 has 32 divisors (see below), whose sum is σ = 114019200. Its totient is φ = 15202368.

The previous prime is 44340511. The next prime is 44340521. The reversal of 44340520 is 2504344.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44340491 and 44340500.

It is not an unprimeable number, because it can be changed into a prime (44340521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78900 + ... + 79459.

It is an arithmetic number, because the mean of its divisors is an integer number (3563100).

Almost surely, 2^44340520 is an apocalyptic number.

44340520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44340520 is an abundant number, since it is smaller than the sum of its proper divisors (69678680).

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

44340520 is a wasteful number, since it uses less digits than its factorization.

44340520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158377 (or 158373 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 44340520 is about 6658.8677716260. The cubic root of 44340520 is about 353.9432170832.

Adding to 44340520 its reverse (2504344), we get a palindrome (46844864).

The spelling of 44340520 in words is "forty-four million, three hundred forty thousand, five hundred twenty".