40633339 has 2 divisors, whose sum is σ = 40633340. Its totient is φ = 40633338.

The previous prime is 40633319. The next prime is 40633361. The reversal of 40633339 is 93333604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40633339 - 2⁷ = 40633211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40633339.

It is not a weakly prime, because it can be changed into another prime (40633309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20316669 + 20316670.

It is an arithmetic number, because the mean of its divisors is an integer number (20316670).

Almost surely, 2^40633339 is an apocalyptic number.

40633339 is a deficient number, since it is larger than the sum of its proper divisors (1).

40633339 is an equidigital number, since it uses as much as digits as its factorization.

40633339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 31.

The square root of 40633339 is about 6374.4285234051. The cubic root of 40633339 is about 343.7907365937.

The spelling of 40633339 in words is "forty million, six hundred thirty-three thousand, three hundred thirty-nine".