44140605 has 32 divisors (see below), whose sum is σ = 72382464. Its totient is φ = 22963776.

The previous prime is 44140589. The next prime is 44140627. The reversal of 44140605 is 50604144.

It is not a de Polignac number, because 44140605 - 2⁴ = 44140589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167704 + ... + 167966.

It is an arithmetic number, because the mean of its divisors is an integer number (2261952).

Almost surely, 2^44140605 is an apocalyptic number.

It is an amenable number.

44140605 is a deficient number, since it is larger than the sum of its proper divisors (28241859).

44140605 is a wasteful number, since it uses less digits than its factorization.

44140605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 44140605 is about 6643.8396278056. The cubic root of 44140605 is about 353.4104826392.

Adding to 44140605 its reverse (50604144), we get a palindrome (94744749).

The spelling of 44140605 in words is "forty-four million, one hundred forty thousand, six hundred five".