10122303440 has 20 divisors (see below), whose sum is σ = 23534355684. Its totient is φ = 4048921344.

The previous prime is 10122303439. The next prime is 10122303449. The reversal of 10122303440 is 4430322101.

10122303440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2084105104 + 8038198336 = 45652^2 + 89656^2 .

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

It is a super-2 number, since 2×10122303440² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122303449) 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 3 ways as a sum of consecutive naturals, for example, 63264317 + ... + 63264476.

Almost surely, 2^10122303440 is an apocalyptic number.

10122303440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10122303440 is an abundant number, since it is smaller than the sum of its proper divisors (13412052244).

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

10122303440 is a wasteful number, since it uses less digits than its factorization.

10122303440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126528806 (or 126528800 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10122303440 its reverse (4430322101), we get a palindrome (14552625541).

The spelling of 10122303440 in words is "ten billion, one hundred twenty-two million, three hundred three thousand, four hundred forty".