229902498180 has 48 divisors (see below), whose sum is σ = 715252218240. Its totient is φ = 61307332704.

The previous prime is 229902498169. The next prime is 229902498181. The reversal of 229902498180 is 81894209922.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (229902498181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212872144 + ... + 212873223.

It is an arithmetic number, because the mean of its divisors is an integer number (14901087880).

Almost surely, 2^229902498180 is an apocalyptic number.

229902498180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229902498180 is an abundant number, since it is smaller than the sum of its proper divisors (485349720060).

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

229902498180 is a wasteful number, since it uses less digits than its factorization.

229902498180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425745385 (or 425745377 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 229902498180 in words is "two hundred twenty-nine billion, nine hundred two million, four hundred ninety-eight thousand, one hundred eighty".