234538745728 has 64 divisors (see below), whose sum is σ = 562099478400. Its totient is φ = 95226250752.

The previous prime is 234538745669. The next prime is 234538745741. The reversal of 234538745728 is 827547835432.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6871450 + ... + 6905497.

It is an arithmetic number, because the mean of its divisors is an integer number (8782804350).

Almost surely, 2^234538745728 is an apocalyptic number.

234538745728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

234538745728 is an abundant number, since it is smaller than the sum of its proper divisors (327560732672).

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

234538745728 is a wasteful number, since it uses less digits than its factorization.

234538745728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13776987 (or 13776975 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 58.

The spelling of 234538745728 in words is "two hundred thirty-four billion, five hundred thirty-eight million, seven hundred forty-five thousand, seven hundred twenty-eight".