10422134140 has 72 divisors (see below), whose sum is σ = 24211154016. Its totient is φ = 3765590400.

The previous prime is 10422134131. The next prime is 10422134143. The reversal of 10422134140 is 4143122401.

It is a happy number.

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 (10422134143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 366225 + ... + 393655.

It is an arithmetic number, because the mean of its divisors is an integer number (336266028).

Almost surely, 2^10422134140 is an apocalyptic number.

10422134140 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 10422134140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12105577008).

10422134140 is an abundant number, since it is smaller than the sum of its proper divisors (13789019876).

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

10422134140 is a wasteful number, since it uses less digits than its factorization.

10422134140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27619 (or 27606 counting only the distinct ones).

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

Adding to 10422134140 its reverse (4143122401), we get a palindrome (14565256541).

The spelling of 10422134140 in words is "ten billion, four hundred twenty-two million, one hundred thirty-four thousand, one hundred forty".