28055398210 has 32 divisors (see below), whose sum is σ = 57844305792. Its totient is φ = 9597269760.

The previous prime is 28055398201. The next prime is 28055398213. The reversal of 28055398210 is 1289355082.

It is not an unprimeable number, because it can be changed into a prime (28055398213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421351 + ... + 483370.

It is an arithmetic number, because the mean of its divisors is an integer number (1807634556).

Almost surely, 2^28055398210 is an apocalyptic number.

28055398210 is an abundant number, since it is smaller than the sum of its proper divisors (29788907582).

28055398210 is a wasteful number, since it uses less digits than its factorization.

28055398210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905178.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 28055398210 in words is "twenty-eight billion, fifty-five million, three hundred ninety-eight thousand, two hundred ten".