1940544075 has 24 divisors (see below), whose sum is σ = 3212294400. Its totient is φ = 1033689760.

The previous prime is 1940544059. The next prime is 1940544079. The reversal of 1940544075 is 5704450491.

It is not a de Polignac number, because 1940544075 - 2⁴ = 1940544059 is a prime.

It is a super-2 number, since 2×1940544075² = 7531422614035211250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1940544079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47506 + ... + 78344.

It is an arithmetic number, because the mean of its divisors is an integer number (133845600).

Almost surely, 2^1940544075 is an apocalyptic number.

1940544075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1940544075 is a deficient number, since it is larger than the sum of its proper divisors (1271750325).

1940544075 is a wasteful number, since it uses less digits than its factorization.

1940544075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31691 (or 31686 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 1940544075 is about 44051.6069513928. The cubic root of 1940544075 is about 1247.3102858347.

The spelling of 1940544075 in words is "one billion, nine hundred forty million, five hundred forty-four thousand, seventy-five".