30438552428268 has 48 divisors (see below), whose sum is σ = 74768176197120. Its totient is φ = 9611297676864.

The previous prime is 30438552428197. The next prime is 30438552428269. The reversal of 30438552428268 is 86282425583403.

It is not an unprimeable number, because it can be changed into a prime (30438552428269) 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, 3581380 + ... + 8585067.

It is an arithmetic number, because the mean of its divisors is an integer number (1557670337440).

Almost surely, 2^{30438552428268} is an apocalyptic number.

30438552428268 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30438552428268 is an abundant number, since it is smaller than the sum of its proper divisors (44329623768852).

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

30438552428268 is a wasteful number, since it uses less digits than its factorization.

30438552428268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12177446 (or 12177444 counting only the distinct ones).

The product of its (nonzero) digits is 88473600, while the sum is 60.

The spelling of 30438552428268 in words is "thirty trillion, four hundred thirty-eight billion, five hundred fifty-two million, four hundred twenty-eight thousand, two hundred sixty-eight".