40659036 has 48 divisors (see below), whose sum is σ = 109589760. Its totient is φ = 11595520.

The previous prime is 40658987. The next prime is 40659043. The reversal of 40659036 is 63095604.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 40658988 and 40659006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6816 + ... + 11303.

It is an arithmetic number, because the mean of its divisors is an integer number (2283120).

Almost surely, 2^40659036 is an apocalyptic number.

It is an amenable number.

40659036 is an abundant number, since it is smaller than the sum of its proper divisors (68930724).

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

40659036 is a wasteful number, since it uses less digits than its factorization.

40659036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18154 (or 18152 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 40659036 is about 6376.4438364970. The cubic root of 40659036 is about 343.8631937525.

The spelling of 40659036 in words is "forty million, six hundred fifty-nine thousand, thirty-six".