44002420 has 48 divisors (see below), whose sum is σ = 115210368. Its totient is φ = 13714560.

The previous prime is 44002417. The next prime is 44002421. The reversal of 44002420 is 2420044.

It is a junction number, because it is equal to n+sod(n) for n = 44002394 and 44002403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44002421) 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, 12747 + ... + 15826.

It is an arithmetic number, because the mean of its divisors is an integer number (2400216).

Almost surely, 2^44002420 is an apocalyptic number.

It is an amenable number.

44002420 is an abundant number, since it is smaller than the sum of its proper divisors (71207948).

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

44002420 is a wasteful number, since it uses less digits than its factorization.

44002420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28600 (or 28598 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 44002420 is about 6633.4319925661. The cubic root of 44002420 is about 353.0413057192.

Adding to 44002420 its reverse (2420044), we get a palindrome (46422464).

It can be divided in two parts, 440024 and 20, that added together give a palindrome (440044).

The spelling of 44002420 in words is "forty-four million, two thousand, four hundred twenty".