275080320 has 128 divisors (see below), whose sum is σ = 974304000. Its totient is φ = 73350144.

The previous prime is 275080313. The next prime is 275080321. The reversal of 275080320 is 23080572.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (275080321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9321 + ... + 25239.

It is an arithmetic number, because the mean of its divisors is an integer number (7611750).

Almost surely, 2^275080320 is an apocalyptic number.

275080320 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 275080320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487152000).

275080320 is an abundant number, since it is smaller than the sum of its proper divisors (699223680).

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

275080320 is a wasteful number, since it uses less digits than its factorization.

275080320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15947 (or 15929 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 275080320 is about 16585.5455140915. The cubic root of 275080320 is about 650.3590284780.

The spelling of 275080320 in words is "two hundred seventy-five million, eighty thousand, three hundred twenty".