229961996624 has 20 divisors (see below), whose sum is σ = 471760273044. Its totient is φ = 108217410048.

The previous prime is 229961996623. The next prime is 229961996629. The reversal of 229961996624 is 426699169922.

It can be written as a sum of positive squares in 2 ways, for example, as 203545345600 + 26416651024 = 451160^2 + 162532^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229961996623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422723987 + ... + 422724530.

Almost surely, 2^229961996624 is an apocalyptic number.

It is an amenable number.

229961996624 is an abundant number, since it is smaller than the sum of its proper divisors (241798276420).

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

229961996624 is a wasteful number, since it uses less digits than its factorization.

229961996624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845448542 (or 845448536 counting only the distinct ones).

The product of its digits is 45349632, while the sum is 65.

The spelling of 229961996624 in words is "two hundred twenty-nine billion, nine hundred sixty-one million, nine hundred ninety-six thousand, six hundred twenty-four".