13445535200 has 72 divisors (see below), whose sum is σ = 33219545688. Its totient is φ = 5313390080.

The previous prime is 13445535197. The next prime is 13445535209. The reversal of 13445535200 is 253554431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445535209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34847 + ... + 167646.

It is an arithmetic number, because the mean of its divisors is an integer number (461382579).

Almost surely, 2^13445535200 is an apocalyptic number.

13445535200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13445535200 is an abundant number, since it is smaller than the sum of its proper divisors (19774010488).

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

13445535200 is a wasteful number, since it uses less digits than its factorization.

13445535200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202596 (or 202583 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 13445535200 in words is "thirteen billion, four hundred forty-five million, five hundred thirty-five thousand, two hundred".