30278005255280 has 40 divisors (see below), whose sum is σ = 70396609842000. Its totient is φ = 12111159500288.

The previous prime is 30278005255249. The next prime is 30278005255363. The reversal of 30278005255280 is 8255250087203.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent 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, 32455991 + ... + 33375849.

It is an arithmetic number, because the mean of its divisors is an integer number (1759915246050).

Almost surely, 2^{30278005255280} is an apocalyptic number.

It is an amenable number.

30278005255280 is an abundant number, since it is smaller than the sum of its proper divisors (40118604586720).

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

30278005255280 is a wasteful number, since it uses less digits than its factorization.

30278005255280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331321 (or 1331315 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 30278005255280 in words is "thirty trillion, two hundred seventy-eight billion, five million, two hundred fifty-five thousand, two hundred eighty".