30280300028 has 48 divisors (see below), whose sum is σ = 58274868960. Its totient is φ = 13652947200.

The previous prime is 30280300027. The next prime is 30280300069. The reversal of 30280300028 is 82000308203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30280300027) 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, 3504818 + ... + 3513446.

It is an arithmetic number, because the mean of its divisors is an integer number (1214059770).

Almost surely, 2^30280300028 is an apocalyptic number.

It is an amenable number.

30280300028 is a deficient number, since it is larger than the sum of its proper divisors (27994568932).

30280300028 is a wasteful number, since it uses less digits than its factorization.

30280300028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278 (or 9276 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 30280300028 in words is "thirty billion, two hundred eighty million, three hundred thousand, twenty-eight".