10420231240 has 16 divisors (see below), whose sum is σ = 23445520380. Its totient is φ = 4168092480.

The previous prime is 10420231231. The next prime is 10420231247. The reversal of 10420231240 is 4213202401.

It can be written as a sum of positive squares in 2 ways, for example, as 10093417156 + 326814084 = 100466^2 + 18078^2 .

It is not an unprimeable number, because it can be changed into a prime (10420231247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130252851 + ... + 130252930.

Almost surely, 2^10420231240 is an apocalyptic number.

10420231240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10420231240 is an abundant number, since it is smaller than the sum of its proper divisors (13025289140).

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

10420231240 is a wasteful number, since it uses less digits than its factorization.

10420231240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260505792 (or 260505788 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10420231240 its reverse (4213202401), we get a palindrome (14633433641).

The spelling of 10420231240 in words is "ten billion, four hundred twenty million, two hundred thirty-one thousand, two hundred forty".