34212256728 has 64 divisors (see below), whose sum is σ = 92188908000. Its totient is φ = 10517821440.

The previous prime is 34212256709. The next prime is 34212256759. The reversal of 34212256728 is 82765221243.

It is a self number, because there is not a number n which added to its sum of digits gives 34212256728.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322048 + ... + 414896.

Almost surely, 2^34212256728 is an apocalyptic number.

It is an amenable number.

34212256728 is an abundant number, since it is smaller than the sum of its proper divisors (57976651272).

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

34212256728 is a wasteful number, since it uses less digits than its factorization.

34212256728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94052 (or 94048 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The spelling of 34212256728 in words is "thirty-four billion, two hundred twelve million, two hundred fifty-six thousand, seven hundred twenty-eight".