275473726280 has 64 divisors (see below), whose sum is σ = 656701830000. Its totient is φ = 103640408064.

The previous prime is 275473726279. The next prime is 275473726303. The reversal of 275473726280 is 82627374572.

It can be written as a sum of positive squares in 8 ways, for example, as 102831814276 + 172641912004 = 320674^2 + 415502^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922556 + ... + 1184084.

Almost surely, 2^275473726280 is an apocalyptic number.

275473726280 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 275473726280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328350915000).

275473726280 is an abundant number, since it is smaller than the sum of its proper divisors (381228103720).

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

275473726280 is a wasteful number, since it uses less digits than its factorization.

275473726280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263106 (or 263102 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 53.

The spelling of 275473726280 in words is "two hundred seventy-five billion, four hundred seventy-three million, seven hundred twenty-six thousand, two hundred eighty".