2719960640 has 28 divisors (see below), whose sum is σ = 6476907036. Its totient is φ = 1087984128.

The previous prime is 2719960627. The next prime is 2719960681. The reversal of 2719960640 is 460699172.

It can be written as a sum of positive squares in 2 ways, for example, as 281971264 + 2437989376 = 16792^2 + 49376^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2719960591 and 2719960600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4249619 + ... + 4250258.

Almost surely, 2^2719960640 is an apocalyptic number.

2719960640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2719960640 is an abundant number, since it is smaller than the sum of its proper divisors (3756946396).

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

2719960640 is an equidigital number, since it uses as much as digits as its factorization.

2719960640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8499894 (or 8499884 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 2719960640 is about 52153.2418934816. The cubic root of 2719960640 is about 1395.8996761537.

The spelling of 2719960640 in words is "two billion, seven hundred nineteen million, nine hundred sixty thousand, six hundred forty".