10312412440 has 64 divisors (see below), whose sum is σ = 25395068160. Its totient is φ = 3737704320.

The previous prime is 10312412437. The next prime is 10312412443. The reversal of 10312412440 is 4421421301.

It is a happy number.

10312412440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10312412437) and next prime (10312412443).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312412443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 96909 + ... + 173251.

It is an arithmetic number, because the mean of its divisors is an integer number (396797940).

Almost surely, 2^10312412440 is an apocalyptic number.

10312412440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10312412440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12697534080).

10312412440 is an abundant number, since it is smaller than the sum of its proper divisors (15082655720).

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

10312412440 is a wasteful number, since it uses less digits than its factorization.

10312412440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76672 (or 76668 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10312412440 its reverse (4421421301), we get a palindrome (14733833741).

The spelling of 10312412440 in words is "ten billion, three hundred twelve million, four hundred twelve thousand, four hundred forty".