275040000 has 270 divisors, whose sum is σ = 996131136. Its totient is φ = 72960000.

The previous prime is 275039959. The next prime is 275040011. The reversal of 275040000 is 40572.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1439905 + ... + 1440095.

Almost surely, 2^275040000 is an apocalyptic number.

275040000 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 275040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498065568).

275040000 is an abundant number, since it is smaller than the sum of its proper divisors (721091136).

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

275040000 is an equidigital number, since it uses as much as digits as its factorization.

275040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 275040000 is about 16584.3299533023. The cubic root of 275040000 is about 650.3272513867.

Adding to 275040000 its reverse (40572), we get a palindrome (275080572).

The spelling of 275040000 in words is "two hundred seventy-five million, forty thousand".