2042380881 has 24 divisors (see below), whose sum is σ = 2988136424. Its totient is φ = 1344107520.

The previous prime is 2042380877. The next prime is 2042380897. The reversal of 2042380881 is 1880832402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 156650256 + 1885730625 = 12516^2 + 43425^2 .

It is not a de Polignac number, because 2042380881 - 2² = 2042380877 is a prime.

It is a super-2 number, since 2×2042380881² = 8342639326148672322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042380801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364755 + ... + 370311.

Almost surely, 2^2042380881 is an apocalyptic number.

It is an amenable number.

2042380881 is a deficient number, since it is larger than the sum of its proper divisors (945755543).

2042380881 is a wasteful number, since it uses less digits than its factorization.

2042380881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6081 (or 6078 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 2042380881 is about 45192.7082724636. The cubic root of 2042380881 is about 1268.7583460475.

The spelling of 2042380881 in words is "two billion, forty-two million, three hundred eighty thousand, eight hundred eighty-one".