40633699 has 2 divisors, whose sum is σ = 40633700. Its totient is φ = 40633698.

The previous prime is 40633679. The next prime is 40633739. The reversal of 40633699 is 99633604.

It is an a-pointer prime, because the next prime (40633739) can be obtained adding 40633699 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40633699 - 2²³ = 32245091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40633639) 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, 20316849 + 20316850.

It is an arithmetic number, because the mean of its divisors is an integer number (20316850).

Almost surely, 2^40633699 is an apocalyptic number.

40633699 is a deficient number, since it is larger than the sum of its proper divisors (1).

40633699 is an equidigital number, since it uses as much as digits as its factorization.

40633699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 40633699 is about 6374.4567611680. The cubic root of 40633699 is about 343.7917518873.

The spelling of 40633699 in words is "forty million, six hundred thirty-three thousand, six hundred ninety-nine".