36400408004 has 12 divisors (see below), whose sum is σ = 63703010364. Its totient is φ = 18199547904.

The previous prime is 36400407971. The next prime is 36400408019. The reversal of 36400408004 is 40080400463.

It can be written as a sum of positive squares in 2 ways, for example, as 31555969600 + 4844438404 = 177640^2 + 69602^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26357 + ... + 271100.

It is an arithmetic number, because the mean of its divisors is an integer number (5308584197).

Almost surely, 2^36400408004 is an apocalyptic number.

It is an amenable number.

36400408004 is a deficient number, since it is larger than the sum of its proper divisors (27302602360).

36400408004 is a wasteful number, since it uses less digits than its factorization.

36400408004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328054 (or 328052 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 36400408004 its reverse (40080400463), we get a palindrome (76480808467).

The spelling of 36400408004 in words is "thirty-six billion, four hundred million, four hundred eight thousand, four".