34145788728 has 16 divisors (see below), whose sum is σ = 85364471880. Its totient is φ = 11381929568.

The previous prime is 34145788717. The next prime is 34145788757. The reversal of 34145788728 is 82788754143.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711370575 + ... + 711370622.

Almost surely, 2^34145788728 is an apocalyptic number.

It is an amenable number.

34145788728 is an abundant number, since it is smaller than the sum of its proper divisors (51218683152).

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

34145788728 is a wasteful number, since it uses less digits than its factorization.

34145788728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422741206 (or 1422741202 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 57.

The spelling of 34145788728 in words is "thirty-four billion, one hundred forty-five million, seven hundred eighty-eight thousand, seven hundred twenty-eight".