940981040 has 80 divisors (see below), whose sum is σ = 2299474848. Its totient is φ = 357654528.

The previous prime is 940981021. The next prime is 940981049. The reversal of 940981040 is 40189049.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (940981049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123584 + ... + 130976.

Almost surely, 2^940981040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 940981040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149737424).

940981040 is an abundant number, since it is smaller than the sum of its proper divisors (1358493808).

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

940981040 is a wasteful number, since it uses less digits than its factorization.

940981040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486 (or 7480 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 940981040 is about 30675.4142596314. The cubic root of 940981040 is about 979.9267750369.

The spelling of 940981040 in words is "nine hundred forty million, nine hundred eighty-one thousand, forty".