276401083880 has 32 divisors (see below), whose sum is σ = 621941047200. Its totient is φ = 110553569856.

The previous prime is 276401083859. The next prime is 276401083909. The reversal of 276401083880 is 88380104672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464411 + ... + 876629.

It is an arithmetic number, because the mean of its divisors is an integer number (19435657725).

Almost surely, 2^276401083880 is an apocalyptic number.

276401083880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276401083880 is an abundant number, since it is smaller than the sum of its proper divisors (345539963320).

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

276401083880 is a wasteful number, since it uses less digits than its factorization.

276401083880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428993 (or 428989 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 276401083880 in words is "two hundred seventy-six billion, four hundred one million, eighty-three thousand, eight hundred eighty".