36400000040 has 32 divisors (see below), whose sum is σ = 82710900360. Its totient is φ = 14415840000.

The previous prime is 36400000033. The next prime is 36400000057. The reversal of 36400000040 is 4000000463.

36400000040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 36399297796 + 702244 = 190786^2 + 838^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36399999964 and 36400000018.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4500911 + ... + 4508990.

Almost surely, 2^36400000040 is an apocalyptic number.

It is an amenable number.

36400000040 is an abundant number, since it is smaller than the sum of its proper divisors (46310900320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36400000040 is a wasteful number, since it uses less digits than its factorization.

36400000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9010013 (or 9010009 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The spelling of 36400000040 in words is "thirty-six billion, four hundred million, forty", and thus it is an aban number.