1940881760 has 48 divisors (see below), whose sum is σ = 4593607200. Its totient is φ = 774951936.

The previous prime is 1940881757. The next prime is 1940881763. The reversal of 1940881760 is 671880491.

It is an interprime number because it is at equal distance from previous prime (1940881757) and next prime (1940881763).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940881763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80381 + ... + 101699.

It is an arithmetic number, because the mean of its divisors is an integer number (95700150).

Almost surely, 2^1940881760 is an apocalyptic number.

1940881760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1940881760 is an abundant number, since it is smaller than the sum of its proper divisors (2652725440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1940881760 is a wasteful number, since it uses less digits than its factorization.

1940881760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21903 (or 21895 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 1940881760 is about 44055.4396187349. The cubic root of 1940881760 is about 1247.3826321336.

The spelling of 1940881760 in words is "one billion, nine hundred forty million, eight hundred eighty-one thousand, seven hundred sixty".