1980441532 has 24 divisors (see below), whose sum is σ = 3585485232. Its totient is φ = 956496000.

The previous prime is 1980441511. The next prime is 1980441563. The reversal of 1980441532 is 2351440891.

It is a junction number, because it is equal to n+sod(n) for n = 1980441491 and 1980441500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43218 + ... + 76345.

It is an arithmetic number, because the mean of its divisors is an integer number (149395218).

Almost surely, 2^1980441532 is an apocalyptic number.

It is an amenable number.

1980441532 is a deficient number, since it is larger than the sum of its proper divisors (1605043700).

1980441532 is a wasteful number, since it uses less digits than its factorization.

1980441532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119709 (or 119707 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1980441532 is about 44502.1519929093. The cubic root of 1980441532 is about 1255.8005679200.

The spelling of 1980441532 in words is "one billion, nine hundred eighty million, four hundred forty-one thousand, five hundred thirty-two".