44280420 has 48 divisors (see below), whose sum is σ = 125229888. Its totient is φ = 11689600.

The previous prime is 44280409. The next prime is 44280463. The reversal of 44280420 is 2408244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2407 + ... + 9713.

It is an arithmetic number, because the mean of its divisors is an integer number (2608956).

Almost surely, 2^44280420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44280420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62614944).

44280420 is an abundant number, since it is smaller than the sum of its proper divisors (80949468).

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

44280420 is a wasteful number, since it uses less digits than its factorization.

44280420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7420 (or 7418 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 44280420 is about 6654.3534622080. The cubic root of 44280420 is about 353.7832309470.

Adding to 44280420 its reverse (2408244), we get a palindrome (46688664).

The spelling of 44280420 in words is "forty-four million, two hundred eighty thousand, four hundred twenty".