44342290 has 32 divisors (see below), whose sum is σ = 85322160. Its totient is φ = 16533504.

The previous prime is 44342261. The next prime is 44342293. The reversal of 44342290 is 9224344.

It can be written as a sum of positive squares in 8 ways, for example, as 15944049 + 28398241 = 3993^2 + 5329^2 .

It is not an unprimeable number, because it can be changed into a prime (44342293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17334 + ... + 19726.

Almost surely, 2^44342290 is an apocalyptic number.

44342290 is a deficient number, since it is larger than the sum of its proper divisors (40979870).

44342290 is a wasteful number, since it uses less digits than its factorization.

44342290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526.

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

The square root of 44342290 is about 6659.0006757771. Note that the first 3 decimals coincide. The cubic root of 44342290 is about 353.9479266292.

It can be divided in two parts, 4434 and 2290, that added together give a square (6724 = 82²).

The spelling of 44342290 in words is "forty-four million, three hundred forty-two thousand, two hundred ninety".