13404551200 has 72 divisors (see below), whose sum is σ = 32774660100. Its totient is φ = 5353497600.

The previous prime is 13404551189. The next prime is 13404551203. The reversal of 13404551200 is 215540431.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6069656464 + 7334894736 = 77908^2 + 85644^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13404551203) 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, 516126 + ... + 541474.

Almost surely, 2^13404551200 is an apocalyptic number.

13404551200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13404551200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16387330050).

13404551200 is an abundant number, since it is smaller than the sum of its proper divisors (19370108900).

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

13404551200 is a wasteful number, since it uses less digits than its factorization.

13404551200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26030 (or 26017 counting only the distinct ones).

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

The spelling of 13404551200 in words is "thirteen billion, four hundred four million, five hundred fifty-one thousand, two hundred".