44007420 has 48 divisors (see below), whose sum is σ = 129709440. Its totient is φ = 11117376.

The previous prime is 44007389. The next prime is 44007421. The reversal of 44007420 is 2470044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44007421) 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, 18162 + ... + 20441.

It is an arithmetic number, because the mean of its divisors is an integer number (2702280).

Almost surely, 2^44007420 is an apocalyptic number.

It is an amenable number.

44007420 is an abundant number, since it is smaller than the sum of its proper divisors (85702020).

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

44007420 is a wasteful number, since it uses less digits than its factorization.

44007420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38634 (or 38632 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 44007420 is about 6633.8088606773. The cubic root of 44007420 is about 353.0546772540.

Adding to 44007420 its reverse (2470044), we get a palindrome (46477464).

The spelling of 44007420 in words is "forty-four million, seven thousand, four hundred twenty".