1958538882 has 64 divisors (see below), whose sum is σ = 4041031680. Its totient is φ = 632649024.

The previous prime is 1958538877. The next prime is 1958538893. The reversal of 1958538882 is 2888358591.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10941469 + ... + 10941647.

It is an arithmetic number, because the mean of its divisors is an integer number (63141120).

Almost surely, 2^1958538882 is an apocalyptic number.

1958538882 is an abundant number, since it is smaller than the sum of its proper divisors (2082492798).

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

1958538882 is a wasteful number, since it uses less digits than its factorization.

1958538882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567.

The product of its digits is 5529600, while the sum is 57.

The square root of 1958538882 is about 44255.3825200958. The cubic root of 1958538882 is about 1251.1538959848.

The spelling of 1958538882 in words is "one billion, nine hundred fifty-eight million, five hundred thirty-eight thousand, eight hundred eighty-two".