13422140432 has 80 divisors (see below), whose sum is σ = 27575568384. Its totient is φ = 6319296000.

The previous prime is 13422140411. The next prime is 13422140447. The reversal of 13422140432 is 23404122431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4217882 + ... + 4221062.

Almost surely, 2^13422140432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13422140432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13787784192).

13422140432 is an abundant number, since it is smaller than the sum of its proper divisors (14153427952).

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

13422140432 is a wasteful number, since it uses less digits than its factorization.

13422140432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448 (or 3442 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13422140432 its reverse (23404122431), we get a palindrome (36826262863).

The spelling of 13422140432 in words is "thirteen billion, four hundred twenty-two million, one hundred forty thousand, four hundred thirty-two".