305421356052 has 48 divisors (see below), whose sum is σ = 799520874880. Its totient is φ = 100818696384.

The previous prime is 305421356041. The next prime is 305421356059. The reversal of 305421356052 is 250653124503.

305421356052 is a `hidden beast` number, since 3 + 0 + 5 + 42 + 1 + 3 + 5 + 605 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 305421355998 and 305421356016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305421356059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13716913 + ... + 13739160.

Almost surely, 2^305421356052 is an apocalyptic number.

It is an amenable number.

305421356052 is an abundant number, since it is smaller than the sum of its proper divisors (494099518828).

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

305421356052 is a wasteful number, since it uses less digits than its factorization.

305421356052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27456189 (or 27456181 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 305421356052 in words is "three hundred five billion, four hundred twenty-one million, three hundred fifty-six thousand, fifty-two".