40468693 has 2 divisors, whose sum is σ = 40468694. Its totient is φ = 40468692.

The previous prime is 40468669. The next prime is 40468741. The reversal of 40468693 is 39686404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38415204 + 2053489 = 6198^2 + 1433^2 .

It is a cyclic number.

It is not a de Polignac number, because 40468693 - 2¹⁷ = 40337621 is a prime.

It is a super-2 number, since 2×40468693² = 3275430226256498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40468663) 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, 20234346 + 20234347.

It is an arithmetic number, because the mean of its divisors is an integer number (20234347).

Almost surely, 2^40468693 is an apocalyptic number.

It is an amenable number.

40468693 is a deficient number, since it is larger than the sum of its proper divisors (1).

40468693 is an equidigital number, since it uses as much as digits as its factorization.

40468693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 40468693 is about 6361.5008449265. The cubic root of 40468693 is about 343.3257621313.

The spelling of 40468693 in words is "forty million, four hundred sixty-eight thousand, six hundred ninety-three".