44290240 has 28 divisors (see below), whose sum is σ = 105466896. Its totient is φ = 17715968.

The previous prime is 44290231. The next prime is 44290247. The reversal of 44290240 is 4209244.

It is not an unprimeable number, because it can be changed into a prime (44290247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68884 + ... + 69523.

Almost surely, 2^44290240 is an apocalyptic number.

44290240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44290240 is an abundant number, since it is smaller than the sum of its proper divisors (61176656).

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

44290240 is a wasteful number, since it uses less digits than its factorization.

44290240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138424 (or 138414 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 44290240 is about 6655.0912841223. The cubic root of 44290240 is about 353.8093816666.

Adding to 44290240 its reverse (4209244), we get a palindrome (48499484).

The spelling of 44290240 in words is "forty-four million, two hundred ninety thousand, two hundred forty".