276028480 has 112 divisors (see below), whose sum is σ = 809061120. Its totient is φ = 87349248.

The previous prime is 276028429. The next prime is 276028499. The reversal of 276028480 is 84820672.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×276028480² = 152383443542220800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24381 + ... + 33859.

It is an arithmetic number, because the mean of its divisors is an integer number (7223760).

Almost surely, 2^276028480 is an apocalyptic number.

276028480 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 276028480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404530560).

276028480 is an abundant number, since it is smaller than the sum of its proper divisors (533032640).

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

276028480 is a wasteful number, since it uses less digits than its factorization.

276028480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9516 (or 9506 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 276028480 is about 16614.1048509993. The cubic root of 276028480 is about 651.1054011216.

The spelling of 276028480 in words is "two hundred seventy-six million, twenty-eight thousand, four hundred eighty".