229400403400 has 96 divisors (see below), whose sum is σ = 609794542080. Its totient is φ = 78619968000.

The previous prime is 229400403371. The next prime is 229400403433. The reversal of 229400403400 is 4304004922.

229400403400 is digitally balanced in base 2, 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 (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3595780 + ... + 3659020.

It is an arithmetic number, because the mean of its divisors is an integer number (6352026480).

Almost surely, 2^229400403400 is an apocalyptic number.

229400403400 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 229400403400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304897271040).

229400403400 is an abundant number, since it is smaller than the sum of its proper divisors (380394138680).

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

229400403400 is a wasteful number, since it uses less digits than its factorization.

229400403400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65855 (or 65846 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 229400403400 in words is "two hundred twenty-nine billion, four hundred million, four hundred three thousand, four hundred".