13155440200 has 48 divisors (see below), whose sum is σ = 34955887680. Its totient is φ = 4510436160.

The previous prime is 13155440159. The next prime is 13155440273. The reversal of 13155440200 is 204455131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4696972 + ... + 4699771.

It is an arithmetic number, because the mean of its divisors is an integer number (728247660).

Almost surely, 2^13155440200 is an apocalyptic number.

13155440200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13155440200 is an abundant number, since it is smaller than the sum of its proper divisors (21800447480).

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

13155440200 is a wasteful number, since it uses less digits than its factorization.

13155440200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9396766 (or 9396757 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 13155440200 its reverse (204455131), we get a palindrome (13359895331).

The spelling of 13155440200 in words is "thirteen billion, one hundred fifty-five million, four hundred forty thousand, two hundred".