44140465 has 8 divisors (see below), whose sum is σ = 54795240. Its totient is φ = 34094592.

The previous prime is 44140463. The next prime is 44140511. The reversal of 44140465 is 56404144.

It can be written as a sum of positive squares in 4 ways, for example, as 1682209 + 42458256 = 1297^2 + 6516^2 .

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 44140465 - 2¹ = 44140463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44140463) 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, 152064 + ... + 152353.

It is an arithmetic number, because the mean of its divisors is an integer number (6849405).

Almost surely, 2^44140465 is an apocalyptic number.

It is an amenable number.

44140465 is a deficient number, since it is larger than the sum of its proper divisors (10654775).

44140465 is a wasteful number, since it uses less digits than its factorization.

44140465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304451.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 44140465 is about 6643.8290917211. The cubic root of 44140465 is about 353.4101090035.

The spelling of 44140465 in words is "forty-four million, one hundred forty thousand, four hundred sixty-five".