44919900 has 144 divisors (see below), whose sum is σ = 146657280. Its totient is φ = 11793600.

The previous prime is 44919883. The next prime is 44919911. The reversal of 44919900 is 991944.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 342835 + ... + 342965.

Almost surely, 2^44919900 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 44919900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73328640).

44919900 is an abundant number, since it is smaller than the sum of its proper divisors (101737380).

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

44919900 is a wasteful number, since it uses less digits than its factorization.

44919900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 44919900 is about 6702.2309718481. The cubic root of 44919900 is about 355.4781627705.

The spelling of 44919900 in words is "forty-four million, nine hundred nineteen thousand, nine hundred".