2040811982 has 16 divisors (see below), whose sum is σ = 3420963504. Its totient is φ = 905016000.

The previous prime is 2040811943. The next prime is 2040812009. The reversal of 2040811982 is 2891180402.

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, 1130369 + ... + 1132172.

It is an arithmetic number, because the mean of its divisors is an integer number (213810219).

Almost surely, 2^2040811982 is an apocalyptic number.

2040811982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2040811982 is a deficient number, since it is larger than the sum of its proper divisors (1380151522).

2040811982 is a wasteful number, since it uses less digits than its factorization.

2040811982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262595.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 2040811982 is about 45175.3470600946. The cubic root of 2040811982 is about 1268.4333881136.

The spelling of 2040811982 in words is "two billion, forty million, eight hundred eleven thousand, nine hundred eighty-two".