276246480 has 80 divisors (see below), whose sum is σ = 859302144. Its totient is φ = 73413120.

The previous prime is 276246449. The next prime is 276246499. The reversal of 276246480 is 84642672.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 74265 + ... + 77895.

Almost surely, 2^276246480 is an apocalyptic number.

276246480 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 276246480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429651072).

276246480 is an abundant number, since it is smaller than the sum of its proper divisors (583055664).

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

276246480 is a wasteful number, since it uses less digits than its factorization.

276246480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964 (or 3958 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 276246480 is about 16620.6642466539. The cubic root of 276246480 is about 651.2767646306.

The spelling of 276246480 in words is "two hundred seventy-six million, two hundred forty-six thousand, four hundred eighty".