234155338816 has 63 divisors (see below), whose sum is σ = 540576110997. Its totient is φ = 100340674560.

The previous prime is 234155338787. The next prime is 234155338817. The reversal of 234155338816 is 618833551432.

It is a happy number.

The square root of 234155338816 is 483896.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6511844416 + 227643494400 = 80696^2 + 477120^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234155338816.

It is not an unprimeable number, because it can be changed into a prime (234155338817) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27093856 + ... + 27102496.

Almost surely, 2^234155338816 is an apocalyptic number.

234155338816 is the 483896-th square number.

It is an amenable number.

234155338816 is an abundant number, since it is smaller than the sum of its proper divisors (306420772181).

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

234155338816 is an frugal number, since it uses more digits than its factorization.

234155338816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17308 (or 8650 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 49.

Multiplying 234155338816 by its sum of digits (49), we get a square (11473611601984 = 3387272²).

234155338816 divided by its sum of digits (49) gives a square (4778680384 = 69128²).

The spelling of 234155338816 in words is "two hundred thirty-four billion, one hundred fifty-five million, three hundred thirty-eight thousand, eight hundred sixteen".