40239692 has 12 divisors (see below), whose sum is σ = 70464240. Its totient is φ = 20107056.

The previous prime is 40239679. The next prime is 40239709. The reversal of 40239692 is 29693204.

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, 9353 + ... + 12959.

It is an arithmetic number, because the mean of its divisors is an integer number (5872020).

Almost surely, 2^40239692 is an apocalyptic number.

It is an amenable number.

40239692 is a deficient number, since it is larger than the sum of its proper divisors (30224548).

40239692 is a wasteful number, since it uses less digits than its factorization.

40239692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400 (or 6398 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 40239692 is about 6343.4763339986. The cubic root of 40239692 is about 342.6769419788.

The spelling of 40239692 in words is "forty million, two hundred thirty-nine thousand, six hundred ninety-two".