1940327280 has 60 divisors (see below), whose sum is σ = 6516268200. Its totient is φ = 517420416.

The previous prime is 1940327267. The next prime is 1940327281. The reversal of 1940327280 is 827230491.

1940327280 is a `hidden beast` number, since 19 + 40 + 327 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940327281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1346730 + ... + 1348169.

It is an arithmetic number, because the mean of its divisors is an integer number (108604470).

Almost surely, 2^1940327280 is an apocalyptic number.

1940327280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1940327280 is an abundant number, since it is smaller than the sum of its proper divisors (4575940920).

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

1940327280 is a wasteful number, since it uses less digits than its factorization.

1940327280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694918 (or 2694909 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1940327280 is about 44049.1461892282. The cubic root of 1940327280 is about 1247.2638348235.

The spelling of 1940327280 in words is "one billion, nine hundred forty million, three hundred twenty-seven thousand, two hundred eighty".