440059749609 has 4 divisors (see below), whose sum is σ = 586746332816. Its totient is φ = 293373166404.

The previous prime is 440059749601. The next prime is 440059749631. The reversal of 440059749609 is 906947950044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 440059749609 - 2³ = 440059749601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440059749601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73343291599 + ... + 73343291604.

It is an arithmetic number, because the mean of its divisors is an integer number (146686583204).

Almost surely, 2^440059749609 is an apocalyptic number.

It is an amenable number.

440059749609 is a deficient number, since it is larger than the sum of its proper divisors (146686583207).

440059749609 is a wasteful number, since it uses less digits than its factorization.

440059749609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146686583206.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 440059749609 in words is "four hundred forty billion, fifty-nine million, seven hundred forty-nine thousand, six hundred nine".