45404351009 has 12 divisors (see below), whose sum is σ = 48241047948. Its totient is φ = 42725760000.

The previous prime is 45404350993. The next prime is 45404351071. The reversal of 45404351009 is 90015340454.

It can be written as a sum of positive squares in 6 ways, for example, as 5362339984 + 40042011025 = 73228^2 + 200105^2 .

It is not a de Polignac number, because 45404351009 - 2⁴ = 45404350993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45404351009.

It is not an unprimeable number, because it can be changed into a prime (45404351309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2151509 + ... + 2172509.

It is an arithmetic number, because the mean of its divisors is an integer number (4020087329).

Almost surely, 2^45404351009 is an apocalyptic number.

It is an amenable number.

45404351009 is a deficient number, since it is larger than the sum of its proper divisors (2836696939).

45404351009 is a wasteful number, since it uses less digits than its factorization.

45404351009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28516 (or 28499 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 45404351009 in words is "forty-five billion, four hundred four million, three hundred fifty-one thousand, nine".