10343144440 has 32 divisors (see below), whose sum is σ = 23292899280. Its totient is φ = 4133555712.

The previous prime is 10343144411. The next prime is 10343144453. The reversal of 10343144440 is 4444134301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10343144399 and 10343144408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70209 + ... + 160048.

Almost surely, 2^10343144440 is an apocalyptic number.

10343144440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10343144440 is an abundant number, since it is smaller than the sum of its proper divisors (12949754840).

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

10343144440 is a wasteful number, since it uses less digits than its factorization.

10343144440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231391 (or 231387 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 10343144440 its reverse (4444134301), we get a palindrome (14787278741).

The spelling of 10343144440 in words is "ten billion, three hundred forty-three million, one hundred forty-four thousand, four hundred forty".