40492874 has 16 divisors (see below), whose sum is σ = 64535400. Its totient is φ = 19018944.

The previous prime is 40492873. The next prime is 40492883. The reversal of 40492874 is 47829404.

It can be written as a sum of positive squares in 4 ways, for example, as 39375625 + 1117249 = 6275^2 + 1057^2 .

It is not an unprimeable number, because it can be changed into a prime (40492873) 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, 7289 + ... + 11580.

Almost surely, 2^40492874 is an apocalyptic number.

40492874 is a deficient number, since it is larger than the sum of its proper divisors (24042526).

40492874 is a wasteful number, since it uses less digits than its factorization.

40492874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18937.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 40492874 is about 6363.4011346135. The cubic root of 40492874 is about 343.3941302668.

The spelling of 40492874 in words is "forty million, four hundred ninety-two thousand, eight hundred seventy-four".