276298351980 has 384 divisors, whose sum is σ = 922260971520. Its totient is φ = 60499906560.

The previous prime is 276298351957. The next prime is 276298351993. The reversal of 276298351980 is 89153892672.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 323913234 + ... + 323914086.

It is an arithmetic number, because the mean of its divisors is an integer number (2401721280).

Almost surely, 2^276298351980 is an apocalyptic number.

276298351980 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 276298351980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461130485760).

276298351980 is an abundant number, since it is smaller than the sum of its proper divisors (645962619540).

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

276298351980 is a wasteful number, since it uses less digits than its factorization.

276298351980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 276298351980 in words is "two hundred seventy-six billion, two hundred ninety-eight million, three hundred fifty-one thousand, nine hundred eighty".