40287082 has 16 divisors (see below), whose sum is σ = 66580704. Its totient is φ = 18130000.

The previous prime is 40287017. The next prime is 40287089. The reversal of 40287082 is 28078204.

It is not an unprimeable number, because it can be changed into a prime (40287089) 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, 6844 + ... + 11287.

It is an arithmetic number, because the mean of its divisors is an integer number (4161294).

Almost surely, 2^40287082 is an apocalyptic number.

40287082 is a deficient number, since it is larger than the sum of its proper divisors (26293622).

40287082 is a wasteful number, since it uses less digits than its factorization.

40287082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18245.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 40287082 is about 6347.2105684308. The cubic root of 40287082 is about 342.8114119396.

The spelling of 40287082 in words is "forty million, two hundred eighty-seven thousand, eighty-two".