80040263 has 2 divisors, whose sum is σ = 80040264. Its totient is φ = 80040262.

The previous prime is 80040239. The next prime is 80040271. The reversal of 80040263 is 36204008.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80040263 - 2²⁴ = 63263047 is a prime.

It is a super-2 number, since 2×80040263² = 12812887402218338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80040223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40020131 + 40020132.

It is an arithmetic number, because the mean of its divisors is an integer number (40020132).

Almost surely, 2^80040263 is an apocalyptic number.

80040263 is a deficient number, since it is larger than the sum of its proper divisors (1).

80040263 is an equidigital number, since it uses as much as digits as its factorization.

80040263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 80040263 is about 8946.5223969987. The cubic root of 80040263 is about 430.9592125527.

The spelling of 80040263 in words is "eighty million, forty thousand, two hundred sixty-three".