40266369 has 32 divisors (see below), whose sum is σ = 70089600. Its totient is φ = 22524480.

The previous prime is 40266337. The next prime is 40266383. The reversal of 40266369 is 96366204.

It is not a de Polignac number, because 40266369 - 2⁵ = 40266337 is a prime.

It is a super-2 number, since 2×40266369² = 3242760944888322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40266329) 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 in 31 ways as a sum of consecutive naturals, for example, 1354 + ... + 9075.

It is an arithmetic number, because the mean of its divisors is an integer number (2190300).

Almost surely, 2^40266369 is an apocalyptic number.

It is an amenable number.

40266369 is a deficient number, since it is larger than the sum of its proper divisors (29823231).

40266369 is a wasteful number, since it uses less digits than its factorization.

40266369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10462 (or 10456 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 40266369 is about 6345.5786970142. The cubic root of 40266369 is about 342.7526514167.

The spelling of 40266369 in words is "forty million, two hundred sixty-six thousand, three hundred sixty-nine".