230444321440 has 48 divisors (see below), whose sum is σ = 576449699112. Its totient is φ = 86755508224.

The previous prime is 230444321399. The next prime is 230444321449. The reversal of 230444321440 is 44123444032.

It can be written as a sum of positive squares in 4 ways, for example, as 160534846224 + 69909475216 = 400668^2 + 264404^2 .

It is a super-3 number, since 3×230444321440³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (230444321449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42358369 + ... + 42363808.

Almost surely, 2^230444321440 is an apocalyptic number.

230444321440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230444321440 is an abundant number, since it is smaller than the sum of its proper divisors (346005377672).

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

230444321440 is a wasteful number, since it uses less digits than its factorization.

230444321440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84722209 (or 84722201 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 230444321440 its reverse (44123444032), we get a palindrome (274567765472).

The spelling of 230444321440 in words is "two hundred thirty billion, four hundred forty-four million, three hundred twenty-one thousand, four hundred forty".