40970263 has 2 divisors, whose sum is σ = 40970264. Its totient is φ = 40970262.

The previous prime is 40970257. The next prime is 40970311. The reversal of 40970263 is 36207904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40970263 - 2⁹ = 40969751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40970203) 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, 20485131 + 20485132.

It is an arithmetic number, because the mean of its divisors is an integer number (20485132).

Almost surely, 2^40970263 is an apocalyptic number.

40970263 is a deficient number, since it is larger than the sum of its proper divisors (1).

40970263 is an equidigital number, since it uses as much as digits as its factorization.

40970263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 40970263 is about 6400.8017466564. The cubic root of 40970263 is about 344.7383383176.

The spelling of 40970263 in words is "forty million, nine hundred seventy thousand, two hundred sixty-three".