2156264382 has 16 divisors (see below), whose sum is σ = 4314355200. Its totient is φ = 718450392.

The previous prime is 2156264371. The next prime is 2156264389. The reversal of 2156264382 is 2834626512.

It is a self number, because there is not a number n which added to its sum of digits gives 2156264382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156264389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60508 + ... + 89295.

It is an arithmetic number, because the mean of its divisors is an integer number (269647200).

Almost surely, 2^2156264382 is an apocalyptic number.

2156264382 is an abundant number, since it is smaller than the sum of its proper divisors (2158090818).

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

2156264382 is a wasteful number, since it uses less digits than its factorization.

2156264382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152207.

The product of its digits is 138240, while the sum is 39.

The square root of 2156264382 is about 46435.5939124289. The cubic root of 2156264382 is about 1291.9151853988.

The spelling of 2156264382 in words is "two billion, one hundred fifty-six million, two hundred sixty-four thousand, three hundred eighty-two".