2271407680 has 28 divisors (see below), whose sum is σ = 5408790300. Its totient is φ = 908562944.

The previous prime is 2271407641. The next prime is 2271407707. The reversal of 2271407680 is 867041722.

It can be written as a sum of positive squares in 2 ways, for example, as 650862144 + 1620545536 = 25512^2 + 40256^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3548755 + ... + 3549394.

Almost surely, 2^2271407680 is an apocalyptic number.

2271407680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2271407680 is an abundant number, since it is smaller than the sum of its proper divisors (3137382620).

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

2271407680 is an equidigital number, since it uses as much as digits as its factorization.

2271407680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098166 (or 7098156 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 2271407680 is about 47659.2874474640. The cubic root of 2271407680 is about 1314.5134373613.

The spelling of 2271407680 in words is "two billion, two hundred seventy-one million, four hundred seven thousand, six hundred eighty".