276660940836 has 96 divisors (see below), whose sum is σ = 745991221248. Its totient is φ = 78166281600.

The previous prime is 276660940817. The next prime is 276660940841. The reversal of 276660940836 is 638049066672.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6962521 + ... + 7002143.

It is an arithmetic number, because the mean of its divisors is an integer number (7770741888).

Almost surely, 2^276660940836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276660940836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372995610624).

276660940836 is an abundant number, since it is smaller than the sum of its proper divisors (469330280412).

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

276660940836 is a wasteful number, since it uses less digits than its factorization.

276660940836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40561 (or 40559 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 57.

The spelling of 276660940836 in words is "two hundred seventy-six billion, six hundred sixty million, nine hundred forty thousand, eight hundred thirty-six".