1326360400 has 60 divisors (see below), whose sum is σ = 3374044092. Its totient is φ = 499333120.

The previous prime is 1326360391. The next prime is 1326360401. The reversal of 1326360400 is 40636231.

It can be written as a sum of positive squares in 6 ways, for example, as 58430736 + 1267929664 = 7644^2 + 35608^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326360401) 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, 90727 + ... + 104326.

Almost surely, 2^1326360400 is an apocalyptic number.

1326360400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1326360400 is an abundant number, since it is smaller than the sum of its proper divisors (2047683692).

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

1326360400 is a wasteful number, since it uses less digits than its factorization.

1326360400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195088 (or 195077 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1326360400 is about 36419.2311835382. The cubic root of 1326360400 is about 1098.7203852975.

Adding to 1326360400 its reverse (40636231), we get a palindrome (1366996631).

The spelling of 1326360400 in words is "one billion, three hundred twenty-six million, three hundred sixty thousand, four hundred".