44140569 has 8 divisors (see below), whose sum is σ = 64204512. Its totient is φ = 26751840.

The previous prime is 44140561. The next prime is 44140571. The reversal of 44140569 is 96504144.

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

It is not a de Polignac number, because 44140569 - 2³ = 44140561 is a prime.

It is a super-2 number, since 2×44140569² = 3896779663287522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1337593 = 44140569 / (4 + 4 + 1 + 4 + 0 + 5 + 6 + 9).

It is not an unprimeable number, because it can be changed into a prime (44140561) 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, 668764 + ... + 668829.

It is an arithmetic number, because the mean of its divisors is an integer number (8025564).

Almost surely, 2^44140569 is an apocalyptic number.

It is an amenable number.

44140569 is a deficient number, since it is larger than the sum of its proper divisors (20063943).

44140569 is a wasteful number, since it uses less digits than its factorization.

44140569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337607.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 44140569 is about 6643.8369185283. The cubic root of 44140569 is about 353.4103865615.

The spelling of 44140569 in words is "forty-four million, one hundred forty thousand, five hundred sixty-nine".