28030028310 has 24 divisors (see below), whose sum is σ = 72878073840. Its totient is φ = 7474674192.

The previous prime is 28030028287. The next prime is 28030028357. The reversal of 28030028310 is 1382003082.

28030028310 is a `hidden beast` number, since 2 + 80 + 300 + 283 + 1 + 0 = 666.

It is a super-2 number, since 2×28030028310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155722290 + ... + 155722469.

It is an arithmetic number, because the mean of its divisors is an integer number (3036586410).

Almost surely, 2^28030028310 is an apocalyptic number.

28030028310 is an abundant number, since it is smaller than the sum of its proper divisors (44848045530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28030028310 is a wasteful number, since it uses less digits than its factorization.

28030028310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311444772 (or 311444769 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 28030028310 in words is "twenty-eight billion, thirty million, twenty-eight thousand, three hundred ten".