2052640556 has 12 divisors (see below), whose sum is σ = 3594459792. Its totient is φ = 1025652048.

The previous prime is 2052640511. The next prime is 2052640559. The reversal of 2052640556 is 6550462502.

It is not an unprimeable number, because it can be changed into a prime (2052640559) 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 3 ways as a sum of consecutive naturals, for example, 160115 + ... + 172458.

It is an arithmetic number, because the mean of its divisors is an integer number (299538316).

Almost surely, 2^2052640556 is an apocalyptic number.

It is an amenable number.

2052640556 is a deficient number, since it is larger than the sum of its proper divisors (1541819236).

2052640556 is a wasteful number, since it uses less digits than its factorization.

2052640556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334120 (or 334118 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 2052640556 is about 45306.0763695114. The cubic root of 2052640556 is about 1270.8792877488.

The spelling of 2052640556 in words is "two billion, fifty-two million, six hundred forty thousand, five hundred fifty-six".