44920000 has 70 divisors (see below), whose sum is σ = 111486188. Its totient is φ = 17952000.

The previous prime is 44919983. The next prime is 44920003. The reversal of 44920000 is 2944.

It is a self number, because there is not a number n which added to its sum of digits gives 44920000.

It is not an unprimeable number, because it can be changed into a prime (44920003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39439 + ... + 40561.

Almost surely, 2^44920000 is an apocalyptic number.

44920000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44920000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55743094).

44920000 is an abundant number, since it is smaller than the sum of its proper divisors (66566188).

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

44920000 is an equidigital number, since it uses as much as digits as its factorization.

44920000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 44920000 is about 6702.2384320464. The cubic root of 44920000 is about 355.4784265570.

Adding to 44920000 its reverse (2944), we get a palindrome (44922944).

It can be divided in two parts, 449 and 20000, that added together give a square (20449 = 143²).

The spelling of 44920000 in words is "forty-four million, nine hundred twenty thousand".