40363136136 has 32 divisors (see below), whose sum is σ = 112119823200. Its totient is φ = 13454378640.

The previous prime is 40363136081. The next prime is 40363136137. The reversal of 40363136136 is 63163136304.

40363136136 is a `hidden beast` number, since 4 + 0 + 3 + 6 + 31 + 3 + 613 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40363136136.

It is not an unprimeable number, because it can be changed into a prime (40363136137) 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, 93432970 + ... + 93433401.

It is an arithmetic number, because the mean of its divisors is an integer number (3503744475).

Almost surely, 2^40363136136 is an apocalyptic number.

It is an amenable number.

40363136136 is an abundant number, since it is smaller than the sum of its proper divisors (71756687064).

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

40363136136 is a wasteful number, since it uses less digits than its factorization.

40363136136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186866386 (or 186866376 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The spelling of 40363136136 in words is "forty billion, three hundred sixty-three million, one hundred thirty-six thousand, one hundred thirty-six".