10442321420 has 12 divisors (see below), whose sum is σ = 21928875024. Its totient is φ = 4176928560.

The previous prime is 10442321419. The next prime is 10442321437. The reversal of 10442321420 is 2412324401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261058016 + ... + 261058055.

It is an arithmetic number, because the mean of its divisors is an integer number (1827406252).

Almost surely, 2^10442321420 is an apocalyptic number.

10442321420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10442321420 is an abundant number, since it is smaller than the sum of its proper divisors (11486553604).

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

10442321420 is a wasteful number, since it uses less digits than its factorization.

10442321420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522116080 (or 522116078 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 10442321420 its reverse (2412324401), we get a palindrome (12854645821).

The spelling of 10442321420 in words is "ten billion, four hundred forty-two million, three hundred twenty-one thousand, four hundred twenty".