40204400313 has 32 divisors (see below), whose sum is σ = 67457940480. Its totient is φ = 20690199360.

The previous prime is 40204400263. The next prime is 40204400347. The reversal of 40204400313 is 31300440204.

It is not a de Polignac number, because 40204400313 - 2¹⁰ = 40204399289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 40204400313.

It is not an unprimeable number, because it can be changed into a prime (40204400113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 788578 + ... + 838011.

It is an arithmetic number, because the mean of its divisors is an integer number (2108060640).

Almost surely, 2^40204400313 is an apocalyptic number.

It is an amenable number.

40204400313 is a deficient number, since it is larger than the sum of its proper divisors (27253540167).

40204400313 is a wasteful number, since it uses less digits than its factorization.

40204400313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626717.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40204400313 its reverse (31300440204), we get a palindrome (71504840517).

The spelling of 40204400313 in words is "forty billion, two hundred four million, four hundred thousand, three hundred thirteen".