275222643200 has 90 divisors (see below), whose sum is σ = 682032685191. Its totient is φ = 110065315840.

The previous prime is 275222643197. The next prime is 275222643221. The reversal of 275222643200 is 2346222572.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 38497579264 + 236725063936 = 196208^2 + 486544^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=370960.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 59351282 + ... + 59355918.

Almost surely, 2^275222643200 is an apocalyptic number.

275222643200 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 275222643200

275222643200 is an abundant number, since it is smaller than the sum of its proper divisors (406810041991).

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

275222643200 is an frugal number, since it uses more digits than its factorization.

275222643200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9302 (or 4644 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

Adding to 275222643200 its reverse (2346222572), we get a palindrome (277568865772).

The spelling of 275222643200 in words is "two hundred seventy-five billion, two hundred twenty-two million, six hundred forty-three thousand, two hundred".