276274240 has 56 divisors (see below), whose sum is σ = 717694272. Its totient is φ = 100462080.

The previous prime is 276274217. The next prime is 276274241. The reversal of 276274240 is 42472672.

It is a junction number, because it is equal to n+sod(n) for n = 276274196 and 276274205.

It is not an unprimeable number, because it can be changed into a prime (276274241) 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, 35724 + ... + 42763.

Almost surely, 2^276274240 is an apocalyptic number.

276274240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276274240 is an abundant number, since it is smaller than the sum of its proper divisors (441420032).

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

276274240 is a wasteful number, since it uses less digits than its factorization.

276274240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78515 (or 78505 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 276274240 is about 16621.4993306861. The cubic root of 276274240 is about 651.2985794937.

The spelling of 276274240 in words is "two hundred seventy-six million, two hundred seventy-four thousand, two hundred forty".