80040259 has 6 divisors (see below), whose sum is σ = 86670996. Its totient is φ = 73883160.

The previous prime is 80040239. The next prime is 80040263. The reversal of 80040259 is 95204008.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-80040259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80040209) 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 in 5 ways as a sum of consecutive naturals, for example, 236637 + ... + 236974.

It is an arithmetic number, because the mean of its divisors is an integer number (14445166).

Almost surely, 2^80040259 is an apocalyptic number.

80040259 is a deficient number, since it is larger than the sum of its proper divisors (6630737).

80040259 is a wasteful number, since it uses less digits than its factorization.

80040259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473637 (or 473624 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 80040259 is about 8946.5221734482. The cubic root of 80040259 is about 430.9592053737.

The spelling of 80040259 in words is "eighty million, forty thousand, two hundred fifty-nine".