40642883 has 2 divisors, whose sum is σ = 40642884. Its totient is φ = 40642882.

The previous prime is 40642841. The next prime is 40642933. The reversal of 40642883 is 38824604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40642883 - 2¹⁰ = 40641859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40642813) 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 as a sum of consecutive naturals, namely, 20321441 + 20321442.

It is an arithmetic number, because the mean of its divisors is an integer number (20321442).

Almost surely, 2^40642883 is an apocalyptic number.

40642883 is a deficient number, since it is larger than the sum of its proper divisors (1).

40642883 is an equidigital number, since it uses as much as digits as its factorization.

40642883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 40642883 is about 6375.1770955794. The cubic root of 40642883 is about 343.8176511259.

The spelling of 40642883 in words is "forty million, six hundred forty-two thousand, eight hundred eighty-three".