28002555530 has 16 divisors (see below), whose sum is σ = 51156908640. Its totient is φ = 11033842512.

The previous prime is 28002555487. The next prime is 28002555551. The reversal of 28002555530 is 3555520082.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20896760 + ... + 20898099.

It is an arithmetic number, because the mean of its divisors is an integer number (3197306790).

Almost surely, 2^28002555530 is an apocalyptic number.

28002555530 is a deficient number, since it is larger than the sum of its proper divisors (23154353110).

28002555530 is a wasteful number, since it uses less digits than its factorization.

28002555530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41794933.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 28002555530 in words is "twenty-eight billion, two million, five hundred fifty-five thousand, five hundred thirty".