275230320 has 40 divisors (see below), whose sum is σ = 853214736. Its totient is φ = 73394688.

The previous prime is 275230301. The next prime is 275230321. The reversal of 275230320 is 23032572.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275230321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573157 + ... + 573636.

Almost surely, 2^275230320 is an apocalyptic number.

275230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275230320 is an abundant number, since it is smaller than the sum of its proper divisors (577984416).

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

275230320 is a wasteful number, since it uses less digits than its factorization.

275230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146809 (or 1146803 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 275230320 is about 16590.0669076408. The cubic root of 275230320 is about 650.4772195670.

Adding to 275230320 its reverse (23032572), we get a palindrome (298262892).

The spelling of 275230320 in words is "two hundred seventy-five million, two hundred thirty thousand, three hundred twenty".