40266337 has 2 divisors, whose sum is σ = 40266338. Its totient is φ = 40266336.

The previous prime is 40266329. The next prime is 40266383. The reversal of 40266337 is 73366204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38427601 + 1838736 = 6199^2 + 1356^2 .

It is a cyclic number.

It is not a de Polignac number, because 40266337 - 2³ = 40266329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40266299 and 40266308.

It is not a weakly prime, because it can be changed into another prime (40266437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20133168 + 20133169.

It is an arithmetic number, because the mean of its divisors is an integer number (20133169).

Almost surely, 2^40266337 is an apocalyptic number.

It is an amenable number.

40266337 is a deficient number, since it is larger than the sum of its proper divisors (1).

40266337 is an equidigital number, since it uses as much as digits as its factorization.

40266337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 40266337 is about 6345.5761755730. The cubic root of 40266337 is about 342.7525606206.

The spelling of 40266337 in words is "forty million, two hundred sixty-six thousand, three hundred thirty-seven".