229961343488 has 30 divisors (see below), whose sum is σ = 459495225189. Its totient is φ = 114975246336.

The previous prime is 229961343487. The next prime is 229961343517. The reversal of 229961343488 is 884343169922.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 156524679424 + 73436664064 = 395632^2 + 270992^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=339088.

It is a super-2 number, since 2×229961343488² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229961343487) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10840220 + ... + 10861412.

Almost surely, 2^229961343488 is an apocalyptic number.

It is an amenable number.

229961343488 is a deficient number, since it is larger than the sum of its proper divisors (229533881701).

229961343488 is an frugal number, since it uses more digits than its factorization.

229961343488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42404 (or 21195 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 59.

The spelling of 229961343488 in words is "two hundred twenty-nine billion, nine hundred sixty-one million, three hundred forty-three thousand, four hundred eighty-eight".