40304145409 has 16 divisors (see below), whose sum is σ = 46289018880. Its totient is φ = 34706644560.

The previous prime is 40304145397. The next prime is 40304145419. The reversal of 40304145409 is 90454140304.

It is a cyclic number.

It is not a de Polignac number, because 40304145409 - 2⁷ = 40304145281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40304145419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2476272 + ... + 2492494.

It is an arithmetic number, because the mean of its divisors is an integer number (2893063680).

Almost surely, 2^40304145409 is an apocalyptic number.

It is an amenable number.

40304145409 is a deficient number, since it is larger than the sum of its proper divisors (5984873471).

40304145409 is a wasteful number, since it uses less digits than its factorization.

40304145409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28140.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 40304145409 in words is "forty billion, three hundred four million, one hundred forty-five thousand, four hundred nine".