13533440422 has 16 divisors (see below), whose sum is σ = 21371678640. Its totient is φ = 6409650528.

The previous prime is 13533440407. The next prime is 13533440423. The reversal of 13533440422 is 22404433531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13533440423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291388 + ... + 334624.

It is an arithmetic number, because the mean of its divisors is an integer number (1335729915).

Almost surely, 2^13533440422 is an apocalyptic number.

13533440422 is a deficient number, since it is larger than the sum of its proper divisors (7838238218).

13533440422 is a wasteful number, since it uses less digits than its factorization.

13533440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51495.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 13533440422 its reverse (22404433531), we get a palindrome (35937873953).

The spelling of 13533440422 in words is "thirteen billion, five hundred thirty-three million, four hundred forty thousand, four hundred twenty-two".