940021056 has 168 divisors, whose sum is σ = 2964509184. Its totient is φ = 282977280.

The previous prime is 940021013. The next prime is 940021081. The reversal of 940021056 is 650120049.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350601 + ... + 353271.

It is an arithmetic number, because the mean of its divisors is an integer number (17645888).

Almost surely, 2^940021056 is an apocalyptic number.

940021056 is a gapful number since it is divisible by the number (96) 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 940021056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482254592).

940021056 is an abundant number, since it is smaller than the sum of its proper divisors (2024488128).

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

940021056 is a wasteful number, since it uses less digits than its factorization.

940021056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749 (or 2736 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 940021056 is about 30659.7628170865. The cubic root of 940021056 is about 979.5934229039.

The spelling of 940021056 in words is "nine hundred forty million, twenty-one thousand, fifty-six".