2056662340 has 12 divisors (see below), whose sum is σ = 4318990956. Its totient is φ = 822664928.

The previous prime is 2056662337. The next prime is 2056662383. The reversal of 2056662340 is 432666502.

It can be written as a sum of positive squares in 2 ways, for example, as 1129094404 + 927567936 = 33602^2 + 30456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2056662296 and 2056662305.

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, 51416539 + ... + 51416578.

It is an arithmetic number, because the mean of its divisors is an integer number (359915913).

Almost surely, 2^2056662340 is an apocalyptic number.

2056662340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056662340 is an abundant number, since it is smaller than the sum of its proper divisors (2262328616).

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

2056662340 is a wasteful number, since it uses less digits than its factorization.

2056662340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102833126 (or 102833124 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2056662340 is about 45350.4392481484. The cubic root of 2056662340 is about 1271.7087668696.

The spelling of 2056662340 in words is "two billion, fifty-six million, six hundred sixty-two thousand, three hundred forty".