2045680552 has 8 divisors (see below), whose sum is σ = 3835651050. Its totient is φ = 1022840272.

The previous prime is 2045680529. The next prime is 2045680573. The reversal of 2045680552 is 2550865402.

It can be written as a sum of positive squares in only one way, i.e., 1309426596 + 736253956 = 36186^2 + 27134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 127855027 + ... + 127855042.

Almost surely, 2^2045680552 is an apocalyptic number.

It is an amenable number.

2045680552 is a deficient number, since it is larger than the sum of its proper divisors (1789970498).

2045680552 is a wasteful number, since it uses less digits than its factorization.

2045680552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255710075 (or 255710071 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 2045680552 is about 45229.2002140210. The cubic root of 2045680552 is about 1269.4412471685.

The spelling of 2045680552 in words is "two billion, forty-five million, six hundred eighty thousand, five hundred fifty-two".