276108380 has 24 divisors (see below), whose sum is σ = 610345680. Its totient is φ = 104630400.

The previous prime is 276108367. The next prime is 276108383. The reversal of 276108380 is 83801672.

It is a self number, because there is not a number n which added to its sum of digits gives 276108380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276108383) 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, 362921 + ... + 363680.

It is an arithmetic number, because the mean of its divisors is an integer number (25431070).

Almost surely, 2^276108380 is an apocalyptic number.

276108380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276108380 is an abundant number, since it is smaller than the sum of its proper divisors (334237300).

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

276108380 is a wasteful number, since it uses less digits than its factorization.

276108380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726629 (or 726627 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 276108380 is about 16616.5092603711. The cubic root of 276108380 is about 651.1682186767.

The spelling of 276108380 in words is "two hundred seventy-six million, one hundred eight thousand, three hundred eighty".