44102420 has 48 divisors (see below), whose sum is σ = 103239360. Its totient is φ = 15727104.

The previous prime is 44102407. The next prime is 44102447. The reversal of 44102420 is 2420144.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3047 + ... + 9873.

It is an arithmetic number, because the mean of its divisors is an integer number (2150820).

Almost surely, 2^44102420 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 44102420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51619680).

44102420 is an abundant number, since it is smaller than the sum of its proper divisors (59136940).

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

44102420 is a wasteful number, since it uses less digits than its factorization.

44102420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6872 (or 6870 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 44102420 is about 6640.9652912811. The cubic root of 44102420 is about 353.3085442045.

Adding to 44102420 its reverse (2420144), we get a palindrome (46522564).

The spelling of 44102420 in words is "forty-four million, one hundred two thousand, four hundred twenty".