36409225840 has 40 divisors (see below), whose sum is σ = 91163102688. Its totient is φ = 13443406080.

The previous prime is 36409225819. The next prime is 36409225841. The reversal of 36409225840 is 4852290463.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36409225841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17503396 + ... + 17505475.

Almost surely, 2^36409225840 is an apocalyptic number.

It is an amenable number.

36409225840 is an abundant number, since it is smaller than the sum of its proper divisors (54753876848).

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

36409225840 is a wasteful number, since it uses less digits than its factorization.

36409225840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35008897 (or 35008891 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 36409225840 in words is "thirty-six billion, four hundred nine million, two hundred twenty-five thousand, eight hundred forty".