2081955924 has 72 divisors (see below), whose sum is σ = 5337547488. Its totient is φ = 684183360.

The previous prime is 2081955919. The next prime is 2081955937. The reversal of 2081955924 is 4295591802.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2081955924.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 873214 + ... + 875594.

It is an arithmetic number, because the mean of its divisors is an integer number (74132604).

Almost surely, 2^2081955924 is an apocalyptic number.

It is an amenable number.

2081955924 is an abundant number, since it is smaller than the sum of its proper divisors (3255591564).

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

2081955924 is a wasteful number, since it uses less digits than its factorization.

2081955924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725 (or 2720 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 2081955924 is about 45628.4552006749. The cubic root of 2081955924 is about 1276.9008527968.

The spelling of 2081955924 in words is "two billion, eighty-one million, nine hundred fifty-five thousand, nine hundred twenty-four".