229672143792 has 1440 divisors, whose sum is σ = 910584576000. Its totient is φ = 55024220160.

The previous prime is 229672143739. The next prime is 229672143803. The reversal of 229672143792 is 297341276922.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (4572288) is a multiple of the sum of its prime factors (216).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2107083834 + ... + 2107083942.

It is an arithmetic number, because the mean of its divisors is an integer number (632350400).

Almost surely, 2^229672143792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229672143792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455292288000).

229672143792 is an abundant number, since it is smaller than the sum of its proper divisors (680912432208).

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

229672143792 is a wasteful number, since it uses less digits than its factorization.

229672143792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 184 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The spelling of 229672143792 in words is "two hundred twenty-nine billion, six hundred seventy-two million, one hundred forty-three thousand, seven hundred ninety-two".