28041290259 has 64 divisors (see below), whose sum is σ = 40461631488. Its totient is φ = 17232336000.

The previous prime is 28041290209. The next prime is 28041290261. The reversal of 28041290259 is 95209214082.

It is a happy number.

It is not a de Polignac number, because 28041290259 - 2⁸ = 28041290003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28041290259.

It is not an unprimeable number, because it can be changed into a prime (28041290209) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84716724 + ... + 84717054.

It is an arithmetic number, because the mean of its divisors is an integer number (632212992).

Almost surely, 2^28041290259 is an apocalyptic number.

28041290259 is a deficient number, since it is larger than the sum of its proper divisors (12420341229).

28041290259 is a wasteful number, since it uses less digits than its factorization.

28041290259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 28041290259 in words is "twenty-eight billion, forty-one million, two hundred ninety thousand, two hundred fifty-nine".