44973240 has 128 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 10934784.

The previous prime is 44973223. The next prime is 44973283. The reversal of 44973240 is 4237944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198007 + ... + 198233.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^44973240 is an apocalyptic number.

44973240 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 44973240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73543680).

44973240 is an abundant number, since it is smaller than the sum of its proper divisors (102114120).

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

44973240 is a wasteful number, since it uses less digits than its factorization.

44973240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 44973240 is about 6706.2090632488. The cubic root of 44973240 is about 355.6188109391.

The spelling of 44973240 in words is "forty-four million, nine hundred seventy-three thousand, two hundred forty".