28004552258 has 8 divisors (see below), whose sum is σ = 42015160080. Its totient is φ = 13999498900.

The previous prime is 28004552231. The next prime is 28004552291. The reversal of 28004552258 is 85225540082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375988 + ... + 1396191.

It is an arithmetic number, because the mean of its divisors is an integer number (5251895010).

Almost surely, 2^28004552258 is an apocalyptic number.

28004552258 is a deficient number, since it is larger than the sum of its proper divisors (14010607822).

28004552258 is a wasteful number, since it uses less digits than its factorization.

28004552258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777232.

The product of its (nonzero) digits is 256000, while the sum is 41.

The spelling of 28004552258 in words is "twenty-eight billion, four million, five hundred fifty-two thousand, two hundred fifty-eight".