229739993344 has 81 divisors (see below), whose sum is σ = 475401252963. Its totient is φ = 110801596416.

The previous prime is 229739993323. The next prime is 229739993377. The reversal of 229739993344 is 443399937922.

It is a happy number.

The square root of 229739993344 is 479312.

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

It can be written as a sum of positive squares in 4 ways, for example, as 78176160000 + 151563833344 = 279600^2 + 389312^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 222400252 + ... + 222401284.

Almost surely, 2^229739993344 is an apocalyptic number.

229739993344 is the 479312-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229739993344

229739993344 is an abundant number, since it is smaller than the sum of its proper divisors (245661259619).

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

229739993344 is an frugal number, since it uses more digits than its factorization.

229739993344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140 (or 1064 counting only the distinct ones).

The product of its digits is 79361856, while the sum is 64.

Multiplying 229739993344 by its sum of digits (64), we get a square (14703359574016 = 3834496²).

229739993344 divided by its sum of digits (64) gives a square (3589687396 = 59914²).

The spelling of 229739993344 in words is "two hundred twenty-nine billion, seven hundred thirty-nine million, nine hundred ninety-three thousand, three hundred forty-four".