40331692 has 48 divisors (see below), whose sum is σ = 76204800. Its totient is φ = 18643520.

The previous prime is 40331671. The next prime is 40331747. The reversal of 40331692 is 29613304.

It is a self number, because there is not a number n which added to its sum of digits gives 40331692.

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, 485883 + ... + 485965.

It is an arithmetic number, because the mean of its divisors is an integer number (1587600).

Almost surely, 2^40331692 is an apocalyptic number.

It is an amenable number.

40331692 is a deficient number, since it is larger than the sum of its proper divisors (35873108).

40331692 is a wasteful number, since it uses less digits than its factorization.

40331692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 40331692 is about 6350.7237382837. The cubic root of 40331692 is about 342.9378972810.

Adding to 40331692 its reverse (29613304), we get a palindrome (69944996).

The spelling of 40331692 in words is "forty million, three hundred thirty-one thousand, six hundred ninety-two".