40404545465 has 16 divisors (see below), whose sum is σ = 48653706240. Its totient is φ = 32211628800.

The previous prime is 40404545459. The next prime is 40404545537. The reversal of 40404545465 is 56454540404.

It is not a de Polignac number, because 40404545465 - 2⁴ = 40404545449 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2170166 + ... + 2188704.

It is an arithmetic number, because the mean of its divisors is an integer number (3040856640).

Almost surely, 2^40404545465 is an apocalyptic number.

It is an amenable number.

40404545465 is a deficient number, since it is larger than the sum of its proper divisors (8249160775).

40404545465 is a wasteful number, since it uses less digits than its factorization.

40404545465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20032.

The product of its (nonzero) digits is 768000, while the sum is 41.

The spelling of 40404545465 in words is "forty billion, four hundred four million, five hundred forty-five thousand, four hundred sixty-five".