44420502 has 16 divisors (see below), whose sum is σ = 101532672. Its totient is φ = 12691560.

The previous prime is 44420483. The next prime is 44420513. The reversal of 44420502 is 20502444.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528774 + ... + 528857.

It is an arithmetic number, because the mean of its divisors is an integer number (6345792).

Almost surely, 2^44420502 is an apocalyptic number.

44420502 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

44420502 is an abundant number, since it is smaller than the sum of its proper divisors (57112170).

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

44420502 is a wasteful number, since it uses less digits than its factorization.

44420502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057643.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 44420502 is about 6664.8707414323. The cubic root of 44420502 is about 354.1559050263.

Adding to 44420502 its reverse (20502444), we get a palindrome (64922946).

The spelling of 44420502 in words is "forty-four million, four hundred twenty thousand, five hundred two".