10424423440 has 20 divisors (see below), whose sum is σ = 24236784684. Its totient is φ = 4169769344.

The previous prime is 10424423411. The next prime is 10424423447. The reversal of 10424423440 is 4432442401.

It can be written as a sum of positive squares in 2 ways, for example, as 4362866704 + 6061556736 = 66052^2 + 77856^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 10424423399 and 10424423408.

It is not an unprimeable number, because it can be changed into a prime (10424423447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65152567 + ... + 65152726.

Almost surely, 2^10424423440 is an apocalyptic number.

10424423440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10424423440 is an abundant number, since it is smaller than the sum of its proper divisors (13812361244).

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

10424423440 is a wasteful number, since it uses less digits than its factorization.

10424423440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130305306 (or 130305300 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 10424423440 its reverse (4432442401), we get a palindrome (14856865841).

The spelling of 10424423440 in words is "ten billion, four hundred twenty-four million, four hundred twenty-three thousand, four hundred forty".