30281452256 has 36 divisors (see below), whose sum is σ = 65529008496. Its totient is φ = 13764294720.

The previous prime is 30281452247. The next prime is 30281452277. The reversal of 30281452256 is 65225418203.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3906440 + ... + 3914183.

It is an arithmetic number, because the mean of its divisors is an integer number (1820250236).

Almost surely, 2^30281452256 is an apocalyptic number.

It is an amenable number.

30281452256 is an abundant number, since it is smaller than the sum of its proper divisors (35247556240).

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

30281452256 is a wasteful number, since it uses less digits than its factorization.

30281452256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7820655 (or 7820636 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 30281452256 in words is "thirty billion, two hundred eighty-one million, four hundred fifty-two thousand, two hundred fifty-six".