276996480 has 128 divisors (see below), whose sum is σ = 893397600. Its totient is φ = 72990720.

The previous prime is 276996479. The next prime is 276996493. The reversal of 276996480 is 84699672.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 170070 + ... + 171690.

Almost surely, 2^276996480 is an apocalyptic number.

276996480 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 276996480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446698800).

276996480 is an abundant number, since it is smaller than the sum of its proper divisors (616401120).

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

276996480 is a wasteful number, since it uses less digits than its factorization.

276996480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732 (or 1720 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 276996480 is about 16643.2112286061. The cubic root of 276996480 is about 651.8656302822.

The spelling of 276996480 in words is "two hundred seventy-six million, nine hundred ninety-six thousand, four hundred eighty".