13544220450 has 96 divisors (see below), whose sum is σ = 37112017536. Its totient is φ = 3251522560.

The previous prime is 13544220439. The next prime is 13544220497. The reversal of 13544220450 is 5402244531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56817 + ... + 174116.

It is an arithmetic number, because the mean of its divisors is an integer number (386583516).

Almost surely, 2^13544220450 is an apocalyptic number.

13544220450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13544220450 is an abundant number, since it is smaller than the sum of its proper divisors (23567797086).

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

13544220450 is a wasteful number, since it uses less digits than its factorization.

13544220450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230988 (or 230983 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 13544220450 its reverse (5402244531), we get a palindrome (18946464981).

The spelling of 13544220450 in words is "thirteen billion, five hundred forty-four million, two hundred twenty thousand, four hundred fifty".