44988840 has 96 divisors (see below), whose sum is σ = 157477320. Its totient is φ = 11073024.

The previous prime is 44988829. The next prime is 44988859. The reversal of 44988840 is 4888944.

It can be written as a sum of positive squares in 4 ways, for example, as 41139396 + 3849444 = 6414^2 + 1962^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127 + ... + 9486.

Almost surely, 2^44988840 is an apocalyptic number.

44988840 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 44988840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78738660).

44988840 is an abundant number, since it is smaller than the sum of its proper divisors (112488480).

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

44988840 is a wasteful number, since it uses less digits than its factorization.

44988840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9643 (or 9636 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 44988840 is about 6707.3720636327. The cubic root of 44988840 is about 355.6599243667.

The spelling of 44988840 in words is "forty-four million, nine hundred eighty-eight thousand, eight hundred forty".