44115420 has 48 divisors (see below), whose sum is σ = 126403200. Its totient is φ = 11489856.

The previous prime is 44115419. The next prime is 44115427. The reversal of 44115420 is 2451144.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44115427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5970 + ... + 11129.

It is an arithmetic number, because the mean of its divisors is an integer number (2633400).

Almost surely, 2^44115420 is an apocalyptic number.

It is an amenable number.

44115420 is an abundant number, since it is smaller than the sum of its proper divisors (82287780).

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

44115420 is a wasteful number, since it uses less digits than its factorization.

44115420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17154 (or 17152 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 44115420 is about 6641.9439925371. The cubic root of 44115420 is about 353.3432555261.

Adding to 44115420 its reverse (2451144), we get a palindrome (46566564).

The spelling of 44115420 in words is "forty-four million, one hundred fifteen thousand, four hundred twenty".