40836336426 has 12 divisors (see below), whose sum is σ = 88478728962. Its totient is φ = 13612112136.

The previous prime is 40836336419. The next prime is 40836336439. The reversal of 40836336426 is 62463363804.

40836336426 is a `hidden beast` number, since 4 + 0 + 8 + 3 + 633 + 6 + 4 + 2 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28763820801 + 12072515625 = 169599^2 + 109875^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1134342661 + ... + 1134342696.

Almost surely, 2^40836336426 is an apocalyptic number.

40836336426 is an abundant number, since it is smaller than the sum of its proper divisors (47642392536).

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

40836336426 is a wasteful number, since it uses less digits than its factorization.

40836336426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268685365 (or 2268685362 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

The spelling of 40836336426 in words is "forty billion, eight hundred thirty-six million, three hundred thirty-six thousand, four hundred twenty-six".