2056216402 has 16 divisors (see below), whose sum is σ = 3266708832. Its totient is φ = 967348800.

The previous prime is 2056216387. The next prime is 2056216417. The reversal of 2056216402 is 2046126502.

It is an interprime number because it is at equal distance from previous prime (2056216387) and next prime (2056216417).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151633 + ... + 164635.

It is an arithmetic number, because the mean of its divisors is an integer number (204169302).

Almost surely, 2^2056216402 is an apocalyptic number.

2056216402 is a deficient number, since it is larger than the sum of its proper divisors (1210492430).

2056216402 is a wasteful number, since it uses less digits than its factorization.

2056216402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17673.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2056216402 is about 45345.5224029893. The cubic root of 2056216402 is about 1271.6168470236.

The spelling of 2056216402 in words is "two billion, fifty-six million, two hundred sixteen thousand, four hundred two".