40280083 has 2 divisors, whose sum is σ = 40280084. Its totient is φ = 40280082.

The previous prime is 40280063. The next prime is 40280099. The reversal of 40280083 is 38008204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40280083 is a prime.

It is not a weakly prime, because it can be changed into another prime (40280003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20140041 + 20140042.

It is an arithmetic number, because the mean of its divisors is an integer number (20140042).

Almost surely, 2^40280083 is an apocalyptic number.

40280083 is a deficient number, since it is larger than the sum of its proper divisors (1).

40280083 is an equidigital number, since it uses as much as digits as its factorization.

40280083 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 25.

The square root of 40280083 is about 6346.6591999256. The cubic root of 40280083 is about 342.7915587931.

Adding to 40280083 its reverse (38008204), we get a palindrome (78288287).

The spelling of 40280083 in words is "forty million, two hundred eighty thousand, eighty-three".