229140172800 has 936 divisors, whose sum is σ = 1023565707840. Its totient is φ = 47598796800.

The previous prime is 229140172799. The next prime is 229140172817. The reversal of 229140172800 is 8271041922.

229140172800 is a `hidden beast` number, since 22 + 91 + 401 + 72 + 80 + 0 = 666.

229140172800 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 70961586 + ... + 70964814.

Almost surely, 2^229140172800 is an apocalyptic number.

229140172800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229140172800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511782853920).

229140172800 is an abundant number, since it is smaller than the sum of its proper divisors (794425535040).

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

229140172800 is a wasteful number, since it uses less digits than its factorization.

229140172800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287 (or 3257 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 229140172800 in words is "two hundred twenty-nine billion, one hundred forty million, one hundred seventy-two thousand, eight hundred".