44990240 has 24 divisors (see below), whose sum is σ = 106289820. Its totient is φ = 17996032.

The previous prime is 44990237. The next prime is 44990251. The reversal of 44990240 is 4209944.

It can be written as a sum of positive squares in 2 ways, for example, as 41319184 + 3671056 = 6428^2 + 1916^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 44990197 and 44990206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140435 + ... + 140754.

Almost surely, 2^44990240 is an apocalyptic number.

44990240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44990240 is an abundant number, since it is smaller than the sum of its proper divisors (61299580).

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

44990240 is a wasteful number, since it uses less digits than its factorization.

44990240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281204 (or 281196 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 44990240 is about 6707.4764256015. The cubic root of 44990240 is about 355.6636135685.

The spelling of 44990240 in words is "forty-four million, nine hundred ninety thousand, two hundred forty".