273132366400 has 84 divisors (see below), whose sum is σ = 672552922608. Its totient is φ = 109175472640.

The previous prime is 273132366391. The next prime is 273132366401. The reversal of 273132366400 is 4663231372.

It is a self number, because there is not a number n which added to its sum of digits gives 273132366400.

It is not an unprimeable number, because it can be changed into a prime (273132366401) 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, 2223387 + ... + 2343013.

It is an arithmetic number, because the mean of its divisors is an integer number (8006582412).

Almost surely, 2^273132366400 is an apocalyptic number.

273132366400 is a gapful number since it is divisible by the number (20) 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 273132366400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336276461304).

273132366400 is an abundant number, since it is smaller than the sum of its proper divisors (399420556208).

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

273132366400 is a wasteful number, since it uses less digits than its factorization.

273132366400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121076 (or 121061 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 37.

Adding to 273132366400 its reverse (4663231372), we get a palindrome (277795597772).

The spelling of 273132366400 in words is "two hundred seventy-three billion, one hundred thirty-two million, three hundred sixty-six thousand, four hundred".