10231020440 has 32 divisors (see below), whose sum is σ = 24231366000. Its totient is φ = 3877017984.

The previous prime is 10231020439. The next prime is 10231020469. The reversal of 10231020440 is 4402013201.

10231020440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6730175 + ... + 6731694.

Almost surely, 2^10231020440 is an apocalyptic number.

10231020440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10231020440 is an abundant number, since it is smaller than the sum of its proper divisors (14000345560).

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

10231020440 is a wasteful number, since it uses less digits than its factorization.

10231020440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13461899 (or 13461895 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10231020440 its reverse (4402013201), we get a palindrome (14633033641).

The spelling of 10231020440 in words is "ten billion, two hundred thirty-one million, twenty thousand, four hundred forty".