275420200 has 144 divisors (see below), whose sum is σ = 742140000. Its totient is φ = 94723200.

The previous prime is 275420113. The next prime is 275420207. The reversal of 275420200 is 2024572.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (275420207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 459501 + ... + 460099.

It is an arithmetic number, because the mean of its divisors is an integer number (5153750).

Almost surely, 2^275420200 is an apocalyptic number.

275420200 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 275420200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371070000).

275420200 is an abundant number, since it is smaller than the sum of its proper divisors (466719800).

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

275420200 is a wasteful number, since it uses less digits than its factorization.

275420200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 275420200 is about 16595.7886224186. The cubic root of 275420200 is about 650.6267721572.

Adding to 275420200 its reverse (2024572), we get a palindrome (277444772).

The spelling of 275420200 in words is "two hundred seventy-five million, four hundred twenty thousand, two hundred".