30305300550028 has 96 divisors (see below), whose sum is σ = 63433367230464. Its totient is φ = 12397670707968.

The previous prime is 30305300549977. The next prime is 30305300550043. The reversal of 30305300550028 is 82005500350303.

It is a super-2 number, since 2×30305300550028² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30305300549975 and 30305300550002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37914550 + ... + 38705602.

It is an arithmetic number, because the mean of its divisors is an integer number (660764241984).

Almost surely, 2^{30305300550028} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30305300550028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31716683615232).

30305300550028 is an abundant number, since it is smaller than the sum of its proper divisors (33128066680436).

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

30305300550028 is a wasteful number, since it uses less digits than its factorization.

30305300550028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791831 (or 791829 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 30305300550028 in words is "thirty trillion, three hundred five billion, three hundred million, five hundred fifty thousand, twenty-eight".