40299992 has 16 divisors (see below), whose sum is σ = 76108200. Its totient is φ = 20004480.

The previous prime is 40299989. The next prime is 40300019. The reversal of 40299992 is 29999204.

It is a congruent number.

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, 17009 + ... + 19232.

Almost surely, 2^40299992 is an apocalyptic number.

It is an amenable number.

40299992 is a deficient number, since it is larger than the sum of its proper divisors (35808208).

40299992 is a wasteful number, since it uses less digits than its factorization.

40299992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36386 (or 36382 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 40299992 is about 6348.2274691444. The cubic root of 40299992 is about 342.8480260142.

The spelling of 40299992 in words is "forty million, two hundred ninety-nine thousand, nine hundred ninety-two".