36000040 has 16 divisors (see below), whose sum is σ = 81000180. Its totient is φ = 14400000.

The previous prime is 36000007. The next prime is 36000059. The reversal of 36000040 is 4000063.

It can be written as a sum of positive squares in 2 ways, for example, as 35688676 + 311364 = 5974^2 + 558^2 .

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, 449961 + ... + 450040.

Almost surely, 2^36000040 is an apocalyptic number.

It is an amenable number.

36000040 is an abundant number, since it is smaller than the sum of its proper divisors (45000140).

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

36000040 is a wasteful number, since it uses less digits than its factorization.

36000040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900012 (or 900008 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 36000040 is about 6000.0033333324. The cubic root of 36000040 is about 330.1928471830.

The spelling of 36000040 in words is "thirty-six million, forty", and thus it is an aban number, an eban number, and an uban number.