229549194720 has 144 divisors (see below), whose sum is σ = 783503098560. Its totient is φ = 61200110592.

The previous prime is 229549194713. The next prime is 229549194731. The reversal of 229549194720 is 27491945922.

It is a happy number.

229549194720 is a `hidden beast` number, since 2 + 2 + 9 + 549 + 1 + 94 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8117566 + ... + 8145794.

It is an arithmetic number, because the mean of its divisors is an integer number (5440993740).

Almost surely, 2^229549194720 is an apocalyptic number.

229549194720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229549194720 is an abundant number, since it is smaller than the sum of its proper divisors (553953903840).

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

229549194720 is a wasteful number, since it uses less digits than its factorization.

229549194720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33897 (or 33886 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 229549194720 in words is "two hundred twenty-nine billion, five hundred forty-nine million, one hundred ninety-four thousand, seven hundred twenty".