1940070928 has 20 divisors (see below), whose sum is σ = 3794020560. Its totient is φ = 960968864.

The previous prime is 1940070917. The next prime is 1940070929. The reversal of 1940070928 is 8290700491.

It is not an unprimeable number, because it can be changed into a prime (1940070929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564898 + ... + 568321.

It is an arithmetic number, because the mean of its divisors is an integer number (189701028).

Almost surely, 2^1940070928 is an apocalyptic number.

It is an amenable number.

1940070928 is a deficient number, since it is larger than the sum of its proper divisors (1853949632).

1940070928 is a wasteful number, since it uses less digits than its factorization.

1940070928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133334 (or 1133328 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1940070928 is about 44046.2362523746. The cubic root of 1940070928 is about 1247.2089037707.

The spelling of 1940070928 in words is "one billion, nine hundred forty million, seventy thousand, nine hundred twenty-eight".