276528340 has 96 divisors (see below), whose sum is σ = 664070400. Its totient is φ = 95800320.

The previous prime is 276528319. The next prime is 276528389. The reversal of 276528340 is 43825672.

It is a self number, because there is not a number n which added to its sum of digits gives 276528340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 567577 + ... + 568063.

It is an arithmetic number, because the mean of its divisors is an integer number (6917400).

Almost surely, 2^276528340 is an apocalyptic number.

276528340 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 276528340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332035200).

276528340 is an abundant number, since it is smaller than the sum of its proper divisors (387542060).

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

276528340 is a wasteful number, since it uses less digits than its factorization.

276528340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 276528340 is about 16629.1412887136. The cubic root of 276528340 is about 651.4981930583.

The spelling of 276528340 in words is "two hundred seventy-six million, five hundred twenty-eight thousand, three hundred forty".