44240239 has 4 divisors (see below), whose sum is σ = 46842624. Its totient is φ = 41637856.

The previous prime is 44240233. The next prime is 44240269. The reversal of 44240239 is 93204244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44240239 - 2⁷ = 44240111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44240233) 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, 1301167 + ... + 1301200.

It is an arithmetic number, because the mean of its divisors is an integer number (11710656).

Almost surely, 2^44240239 is an apocalyptic number.

44240239 is a deficient number, since it is larger than the sum of its proper divisors (2602385).

44240239 is a wasteful number, since it uses less digits than its factorization.

44240239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602384.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 44240239 is about 6651.3336256724. Note that the first 3 decimals coincide. The cubic root of 44240239 is about 353.6761884065.

The spelling of 44240239 in words is "forty-four million, two hundred forty thousand, two hundred thirty-nine".