40985992 has 16 divisors (see below), whose sum is σ = 77642460. Its totient is φ = 20281344.

The previous prime is 40985969. The next prime is 40985993. The reversal of 40985992 is 29958904.

It can be written as a sum of positive squares in 2 ways, for example, as 34503876 + 6482116 = 5874^2 + 2546^2 .

It is not an unprimeable number, because it can be changed into a prime (40985993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25633 + ... + 27184.

Almost surely, 2^40985992 is an apocalyptic number.

It is an amenable number.

40985992 is a deficient number, since it is larger than the sum of its proper divisors (36656468).

40985992 is a wasteful number, since it uses less digits than its factorization.

40985992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52920 (or 52916 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 40985992 is about 6402.0303029586. The cubic root of 40985992 is about 344.7824491365.

The spelling of 40985992 in words is "forty million, nine hundred eighty-five thousand, nine hundred ninety-two".