40709868 has 24 divisors (see below), whose sum is σ = 95933040. Its totient is φ = 13435200.

The previous prime is 40709861. The next prime is 40709869. The reversal of 40709868 is 86890704.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40709861) 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, 15583 + ... + 18006.

It is an arithmetic number, because the mean of its divisors is an integer number (3997210).

Almost surely, 2^40709868 is an apocalyptic number.

It is an amenable number.

40709868 is an abundant number, since it is smaller than the sum of its proper divisors (55223172).

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

40709868 is a wasteful number, since it uses less digits than its factorization.

40709868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33697 (or 33695 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 40709868 is about 6380.4285122553. The cubic root of 40709868 is about 344.0064335375.

The spelling of 40709868 in words is "forty million, seven hundred nine thousand, eight hundred sixty-eight".