230400322440 has 192 divisors, whose sum is σ = 745022396160. Its totient is φ = 56967459840.

The previous prime is 230400322403. The next prime is 230400322469. The reversal of 230400322440 is 44223004032.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 230400322440.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1979460 + ... + 2092620.

It is an arithmetic number, because the mean of its divisors is an integer number (3880324980).

Almost surely, 2^230400322440 is an apocalyptic number.

230400322440 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 230400322440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372511198080).

230400322440 is an abundant number, since it is smaller than the sum of its proper divisors (514622073720).

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

230400322440 is a wasteful number, since it uses less digits than its factorization.

230400322440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113260 (or 113237 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 230400322440 its reverse (44223004032), we get a palindrome (274623326472).

The spelling of 230400322440 in words is "two hundred thirty billion, four hundred million, three hundred twenty-two thousand, four hundred forty".