1940042684 has 6 divisors (see below), whose sum is σ = 3395074704. Its totient is φ = 970021340.

The previous prime is 1940042677. The next prime is 1940042693. The reversal of 1940042684 is 4862400491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242505332 + ... + 242505339.

It is an arithmetic number, because the mean of its divisors is an integer number (565845784).

Almost surely, 2^1940042684 is an apocalyptic number.

It is an amenable number.

1940042684 is a deficient number, since it is larger than the sum of its proper divisors (1455032020).

1940042684 is a wasteful number, since it uses less digits than its factorization.

1940042684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485010675 (or 485010673 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 1940042684 is about 44045.9156335749. The cubic root of 1940042684 is about 1247.2028513564.

The spelling of 1940042684 in words is "one billion, nine hundred forty million, forty-two thousand, six hundred eighty-four".