40204645313 has 16 divisors (see below), whose sum is σ = 46407144960. Its totient is φ = 34117402176.

The previous prime is 40204645309. The next prime is 40204645331. The reversal of 40204645313 is 31354640204.

It is a cyclic number.

It is not a de Polignac number, because 40204645313 - 2² = 40204645309 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 40204645313.

It is not an unprimeable number, because it can be changed into a prime (40204645913) 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, 953720 + ... + 994982.

It is an arithmetic number, because the mean of its divisors is an integer number (2900446560).

Almost surely, 2^40204645313 is an apocalyptic number.

It is an amenable number.

40204645313 is a deficient number, since it is larger than the sum of its proper divisors (6202499647).

40204645313 is a wasteful number, since it uses less digits than its factorization.

40204645313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42656.

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 40204645313 in words is "forty billion, two hundred four million, six hundred forty-five thousand, three hundred thirteen".