40183636 has 12 divisors (see below), whose sum is σ = 70979328. Its totient is φ = 19903832.

The previous prime is 40183621. The next prime is 40183639. The reversal of 40183636 is 63638104.

It is a super-2 number, since 2×40183636² = 3229449204360992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40183598 and 40183607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40183639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46516 + ... + 47371.

It is an arithmetic number, because the mean of its divisors is an integer number (5914944).

Almost surely, 2^40183636 is an apocalyptic number.

It is an amenable number.

40183636 is a deficient number, since it is larger than the sum of its proper divisors (30795692).

40183636 is a wasteful number, since it uses less digits than its factorization.

40183636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93998 (or 93996 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 40183636 is about 6339.0563966572. The cubic root of 40183636 is about 342.5177457195.

The spelling of 40183636 in words is "forty million, one hundred eighty-three thousand, six hundred thirty-six".