229404785280 has 128 divisors (see below), whose sum is σ = 797703076800. Its totient is φ = 55613276160.

The previous prime is 229404785263. The next prime is 229404785287. The reversal of 229404785280 is 82587404922.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (229404785287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5409865 + ... + 5452104.

Almost surely, 2^229404785280 is an apocalyptic number.

229404785280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229404785280 is an abundant number, since it is smaller than the sum of its proper divisors (568298291520).

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

229404785280 is a wasteful number, since it uses less digits than its factorization.

229404785280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10862002 (or 10861990 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 229404785280 in words is "two hundred twenty-nine billion, four hundred four million, seven hundred eighty-five thousand, two hundred eighty".