1990539024 has 40 divisors (see below), whose sum is σ = 5281209600. Its totient is φ = 645579648.

The previous prime is 1990538999. The next prime is 1990539049. The reversal of 1990539024 is 4209350991.

It is an interprime number because it is at equal distance from previous prime (1990538999) and next prime (1990539049).

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, 558624 + ... + 562175.

It is an arithmetic number, because the mean of its divisors is an integer number (132030240).

Almost surely, 2^1990539024 is an apocalyptic number.

It is an amenable number.

1990539024 is an abundant number, since it is smaller than the sum of its proper divisors (3290670576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1990539024 is a wasteful number, since it uses less digits than its factorization.

1990539024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120847 (or 1120841 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 1990539024 is about 44615.4572317711. The cubic root of 1990539024 is about 1257.9312285108.

The spelling of 1990539024 in words is "one billion, nine hundred ninety million, five hundred thirty-nine thousand, twenty-four".