10231440424 has 8 divisors (see below), whose sum is σ = 19183950810. Its totient is φ = 5115720208.

The previous prime is 10231440413. The next prime is 10231440449. The reversal of 10231440424 is 42404413201.

It can be written as a sum of positive squares in only one way, i.e., 5143471524 + 5087968900 = 71718^2 + 71330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10231440424² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639465019 + ... + 639465034.

Almost surely, 2^10231440424 is an apocalyptic number.

It is an amenable number.

10231440424 is a deficient number, since it is larger than the sum of its proper divisors (8952510386).

10231440424 is a wasteful number, since it uses less digits than its factorization.

10231440424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278930059 (or 1278930055 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 10231440424 its reverse (42404413201), we get a palindrome (52635853625).

The spelling of 10231440424 in words is "ten billion, two hundred thirty-one million, four hundred forty thousand, four hundred twenty-four".