40650636 has 24 divisors (see below), whose sum is σ = 102148144. Its totient is φ = 12507840.

The previous prime is 40650619. The next prime is 40650653. The reversal of 40650636 is 63605604.

It is an interprime number because it is at equal distance from previous prime (40650619) and next prime (40650653).

It is a super-3 number, since 3×40650636³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130135 + ... + 130446.

Almost surely, 2^40650636 is an apocalyptic number.

It is an amenable number.

40650636 is an abundant number, since it is smaller than the sum of its proper divisors (61497508).

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

40650636 is a wasteful number, since it uses less digits than its factorization.

40650636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260601 (or 260599 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 40650636 is about 6375.7851281234. The cubic root of 40650636 is about 343.8395118518.

The spelling of 40650636 in words is "forty million, six hundred fifty thousand, six hundred thirty-six".