13550040352 has 12 divisors (see below), whose sum is σ = 26676642006. Its totient is φ = 6775020160.

The previous prime is 13550040319. The next prime is 13550040389. The reversal of 13550040352 is 25304005531.

It can be written as a sum of positive squares in only one way, i.e., 13260904336 + 289136016 = 115156^2 + 17004^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13550040352.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211719349 + ... + 211719412.

Almost surely, 2^13550040352 is an apocalyptic number.

It is an amenable number.

13550040352 is a deficient number, since it is larger than the sum of its proper divisors (13126601654).

13550040352 is an equidigital number, since it uses as much as digits as its factorization.

13550040352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423438771 (or 423438763 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 13550040352 its reverse (25304005531), we get a palindrome (38854045883).

The spelling of 13550040352 in words is "thirteen billion, five hundred fifty million, forty thousand, three hundred fifty-two".