44140297 has 8 divisors (see below), whose sum is σ = 45420032. Its totient is φ = 42865200.

The previous prime is 44140277. The next prime is 44140301. The reversal of 44140297 is 79204144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44140297 - 2²³ = 35751689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44140267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29272 + ... + 30742.

It is an arithmetic number, because the mean of its divisors is an integer number (5677504).

Almost surely, 2^44140297 is an apocalyptic number.

It is an amenable number.

44140297 is a deficient number, since it is larger than the sum of its proper divisors (1279735).

44140297 is a wasteful number, since it uses less digits than its factorization.

44140297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 44140297 is about 6643.8164483977. The cubic root of 44140297 is about 353.4096606396.

The spelling of 44140297 in words is "forty-four million, one hundred forty thousand, two hundred ninety-seven".