275711240 has 96 divisors (see below), whose sum is σ = 726900480. Its totient is φ = 93840768.

The previous prime is 275711221. The next prime is 275711243. The reversal of 275711240 is 42117572.

275711240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (275711243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319049 + ... + 319911.

It is an arithmetic number, because the mean of its divisors is an integer number (7571880).

Almost surely, 2^275711240 is an apocalyptic number.

275711240 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 275711240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363450240).

275711240 is an abundant number, since it is smaller than the sum of its proper divisors (451189240).

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

275711240 is a wasteful number, since it uses less digits than its factorization.

275711240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 275711240 is about 16604.5547968020. The cubic root of 275711240 is about 650.8558666533.

The spelling of 275711240 in words is "two hundred seventy-five million, seven hundred eleven thousand, two hundred forty".