2761208680 has 32 divisors (see below), whose sum is σ = 6578175240. Its totient is φ = 1039513600.

The previous prime is 2761208647. The next prime is 2761208683. The reversal of 2761208680 is 868021672.

It can be written as a sum of positive squares in 4 ways, for example, as 2721291556 + 39917124 = 52166^2 + 6318^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (2761208683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2029621 + ... + 2030980.

Almost surely, 2^2761208680 is an apocalyptic number.

2761208680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2761208680 is an abundant number, since it is smaller than the sum of its proper divisors (3816966560).

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

2761208680 is a wasteful number, since it uses less digits than its factorization.

2761208680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060629 (or 4060625 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 2761208680 is about 52547.2043024175. The cubic root of 2761208680 is about 1402.9205494440.

The spelling of 2761208680 in words is "two billion, seven hundred sixty-one million, two hundred eight thousand, six hundred eighty".