40692568 has 32 divisors (see below), whose sum is σ = 90208800. Its totient is φ = 16837632.

The previous prime is 40692557. The next prime is 40692569. The reversal of 40692568 is 86529604.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40692568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40692569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10905 + ... + 14152.

It is an arithmetic number, because the mean of its divisors is an integer number (2819025).

Almost surely, 2^40692568 is an apocalyptic number.

It is an amenable number.

40692568 is an abundant number, since it is smaller than the sum of its proper divisors (49516232).

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

40692568 is a wasteful number, since it uses less digits than its factorization.

40692568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25099 (or 25095 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 40692568 is about 6379.0726598778. The cubic root of 40692568 is about 343.9576971597.

The spelling of 40692568 in words is "forty million, six hundred ninety-two thousand, five hundred sixty-eight".