2156027530 has 16 divisors (see below), whose sum is σ = 3917121120. Its totient is φ = 854350672.

The previous prime is 2156027519. The next prime is 2156027557. The reversal of 2156027530 is 357206512.

It is a junction number, because it is equal to n+sod(n) for n = 2156027492 and 2156027501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006420 + ... + 1008559.

It is an arithmetic number, because the mean of its divisors is an integer number (244820070).

Almost surely, 2^2156027530 is an apocalyptic number.

2156027530 is a deficient number, since it is larger than the sum of its proper divisors (1761093590).

2156027530 is a wasteful number, since it uses less digits than its factorization.

2156027530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015093.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 2156027530 is about 46433.0435142906. The cubic root of 2156027530 is about 1291.8678807636.

The spelling of 2156027530 in words is "two billion, one hundred fifty-six million, twenty-seven thousand, five hundred thirty".