275663743120 has 40 divisors (see below), whose sum is σ = 641351238840. Its totient is φ = 110190996480.

The previous prime is 275663743099. The next prime is 275663743129. The reversal of 275663743120 is 21347366572.

It can be written as a sum of positive squares in 4 ways, for example, as 39685420944 + 235978322176 = 199212^2 + 485776^2 .

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

It is not an unprimeable number, because it can be changed into a prime (275663743129) 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, 1044855 + ... + 1281814.

It is an arithmetic number, because the mean of its divisors is an integer number (16033780971).

Almost surely, 2^275663743120 is an apocalyptic number.

275663743120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275663743120 is an abundant number, since it is smaller than the sum of its proper divisors (365687495720).

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

275663743120 is a wasteful number, since it uses less digits than its factorization.

275663743120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328163 (or 2328157 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 275663743120 in words is "two hundred seventy-five billion, six hundred sixty-three million, seven hundred forty-three thousand, one hundred twenty".