40265263 has 2 divisors, whose sum is σ = 40265264. Its totient is φ = 40265262.

The previous prime is 40265257. The next prime is 40265279. The reversal of 40265263 is 36256204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40265263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40260263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20132631 + 20132632.

It is an arithmetic number, because the mean of its divisors is an integer number (20132632).

Almost surely, 2^40265263 is an apocalyptic number.

40265263 is a deficient number, since it is larger than the sum of its proper divisors (1).

40265263 is an equidigital number, since it uses as much as digits as its factorization.

40265263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 40265263 is about 6345.4915491237. The cubic root of 40265263 is about 342.7495132486.

The spelling of 40265263 in words is "forty million, two hundred sixty-five thousand, two hundred sixty-three".