40018283 has 2 divisors, whose sum is σ = 40018284. Its totient is φ = 40018282.

The previous prime is 40018261. The next prime is 40018327. The reversal of 40018283 is 38281004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40018283 - 2⁶ = 40018219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40018213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20009141 + 20009142.

It is an arithmetic number, because the mean of its divisors is an integer number (20009142).

Almost surely, 2^40018283 is an apocalyptic number.

40018283 is a deficient number, since it is larger than the sum of its proper divisors (1).

40018283 is an equidigital number, since it uses as much as digits as its factorization.

40018283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 40018283 is about 6326.0005532722. Note that the first 3 decimals coincide. The cubic root of 40018283 is about 342.0472872157.

Adding to 40018283 its reverse (38281004), we get a palindrome (78299287).

The spelling of 40018283 in words is "forty million, eighteen thousand, two hundred eighty-three".