1940666960 has 160 divisors (see below), whose sum is σ = 4977967104. Its totient is φ = 700416000.

The previous prime is 1940666951. The next prime is 1940666969. The reversal of 1940666960 is 696660491.

It is an interprime number because it is at equal distance from previous prime (1940666951) and next prime (1940666969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940666969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8052440 + ... + 8052680.

Almost surely, 2^1940666960 is an apocalyptic number.

1940666960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1940666960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2488983552).

1940666960 is an abundant number, since it is smaller than the sum of its proper divisors (3037300144).

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

1940666960 is a wasteful number, since it uses less digits than its factorization.

1940666960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 1940666960 is about 44053.0017138447. The cubic root of 1940666960 is about 1247.3366139302.

The spelling of 1940666960 in words is "one billion, nine hundred forty million, six hundred sixty-six thousand, nine hundred sixty".