276381766380 has 48 divisors (see below), whose sum is σ = 776389743360. Its totient is φ = 73461728448.

The previous prime is 276381766363. The next prime is 276381766393. The reversal of 276381766380 is 83667183672.

It is a super-3 number, since 3×276381766380³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 276381766380.

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, 7483800 + ... + 7520639.

It is an arithmetic number, because the mean of its divisors is an integer number (16174786320).

Almost surely, 2^276381766380 is an apocalyptic number.

276381766380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276381766380 is an abundant number, since it is smaller than the sum of its proper divisors (500007976980).

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

276381766380 is a wasteful number, since it uses less digits than its factorization.

276381766380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004758 (or 15004756 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 276381766380 in words is "two hundred seventy-six billion, three hundred eighty-one million, seven hundred sixty-six thousand, three hundred eighty".