40692636 has 18 divisors (see below), whose sum is σ = 102862032. Its totient is φ = 13564200.

The previous prime is 40692629. The next prime is 40692649. The reversal of 40692636 is 63629604.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×40692636³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1130351 = 40692636 / (4 + 0 + 6 + 9 + 2 + 6 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 40692636.

It is a congruent 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, 565140 + ... + 565211.

Almost surely, 2^40692636 is an apocalyptic number.

It is an amenable number.

40692636 is an abundant number, since it is smaller than the sum of its proper divisors (62169396).

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

40692636 is a wasteful number, since it uses less digits than its factorization.

40692636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130361 (or 1130356 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 40692636 is about 6379.0779898039. The cubic root of 40692636 is about 343.9578887517.

It can be divided in two parts, 40692 and 636, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 40692636 in words is "forty million, six hundred ninety-two thousand, six hundred thirty-six".