280440059 has 2 divisors, whose sum is σ = 280440060. Its totient is φ = 280440058.

The previous prime is 280440037. The next prime is 280440067. The reversal of 280440059 is 950044082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-280440059 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (280440029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140220029 + 140220030.

It is an arithmetic number, because the mean of its divisors is an integer number (140220030).

Almost surely, 2^280440059 is an apocalyptic number.

280440059 is a deficient number, since it is larger than the sum of its proper divisors (1).

280440059 is an equidigital number, since it uses as much as digits as its factorization.

280440059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 280440059 is about 16746.3446459220. The cubic root of 280440059 is about 654.5558117334. Note that the first 3 decimals are identical.

The spelling of 280440059 in words is "two hundred eighty million, four hundred forty thousand, fifty-nine".