40636136763 has 6 divisors (see below), whose sum is σ = 58696642004. Its totient is φ = 27090757836.

The previous prime is 40636136743. The next prime is 40636136771. The reversal of 40636136763 is 36763163604.

40636136763 is a `hidden beast` number, since 4 + 0 + 636 + 1 + 3 + 6 + 7 + 6 + 3 = 666.

It is not a de Polignac number, because 40636136763 - 2⁹ = 40636136251 is a prime.

It is a super-3 number, since 3×40636136763³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40636136743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2257563145 + ... + 2257563162.

Almost surely, 2^40636136763 is an apocalyptic number.

40636136763 is a deficient number, since it is larger than the sum of its proper divisors (18060505241).

40636136763 is a wasteful number, since it uses less digits than its factorization.

40636136763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515126313 (or 4515126310 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 45.

The spelling of 40636136763 in words is "forty billion, six hundred thirty-six million, one hundred thirty-six thousand, seven hundred sixty-three".