276040 has 32 divisors (see below), whose sum is σ = 636480. Its totient is φ = 107712.

The previous prime is 276037. The next prime is 276041. The reversal of 276040 is 40672.

276040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 275999 and 276017.

It is not an unprimeable number, because it can be changed into a prime (276041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2629 + ... + 2731.

It is an arithmetic number, because the mean of its divisors is an integer number (19890).

2²⁷⁶⁰⁴⁰ is an apocalyptic number.

276040 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 276040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318240).

276040 is an abundant number, since it is smaller than the sum of its proper divisors (360440).

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

276040 is a wasteful number, since it uses less digits than its factorization.

276040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 276040 is about 525.3950894327. The cubic root of 276040 is about 65.1114458919. Note that the first 3 decimals are identical.

The spelling of 276040 in words is "two hundred seventy-six thousand, forty".