1980552272 has 20 divisors (see below), whose sum is σ = 3839766516. Its totient is φ = 989644800.

The previous prime is 1980552263. The next prime is 1980552293. The reversal of 1980552272 is 2722550891.

It can be written as a sum of positive squares in 2 ways, for example, as 1783879696 + 196672576 = 42236^2 + 14024^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13043 + ... + 64274.

Almost surely, 2^1980552272 is an apocalyptic number.

It is an amenable number.

1980552272 is a deficient number, since it is larger than the sum of its proper divisors (1859214244).

1980552272 is a wasteful number, since it uses less digits than its factorization.

1980552272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78926 (or 78920 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 1980552272 is about 44503.3961850104. The cubic root of 1980552272 is about 1255.8239742767.

The spelling of 1980552272 in words is "one billion, nine hundred eighty million, five hundred fifty-two thousand, two hundred seventy-two".