40635156 has 12 divisors (see below), whose sum is σ = 94815392. Its totient is φ = 13545048.

The previous prime is 40635137. The next prime is 40635169. The reversal of 40635156 is 65153604.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693120 + ... + 1693143.

Almost surely, 2^40635156 is an apocalyptic number.

It is an amenable number.

40635156 is an abundant number, since it is smaller than the sum of its proper divisors (54180236).

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

40635156 is a wasteful number, since it uses less digits than its factorization.

40635156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386270 (or 3386268 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 40635156 is about 6374.5710443919. The cubic root of 40635156 is about 343.7958609446.

The spelling of 40635156 in words is "forty million, six hundred thirty-five thousand, one hundred fifty-six".