13422155540 has 24 divisors (see below), whose sum is σ = 29412028800. Its totient is φ = 5135433248.

The previous prime is 13422155533. The next prime is 13422155543. The reversal of 13422155540 is 4555122431.

It is a junction number, because it is equal to n+sod(n) for n = 13422155497 and 13422155506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13422155543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14588840 + ... + 14589759.

It is an arithmetic number, because the mean of its divisors is an integer number (1225501200).

Almost surely, 2^13422155540 is an apocalyptic number.

13422155540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13422155540 is an abundant number, since it is smaller than the sum of its proper divisors (15989873260).

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

13422155540 is a wasteful number, since it uses less digits than its factorization.

13422155540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29178631 (or 29178629 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 13422155540 its reverse (4555122431), we get a palindrome (17977277971).

The spelling of 13422155540 in words is "thirteen billion, four hundred twenty-two million, one hundred fifty-five thousand, five hundred forty".