940856544 has 72 divisors (see below), whose sum is σ = 2703224160. Its totient is φ = 310376448.

The previous prime is 940856537. The next prime is 940856549. The reversal of 940856544 is 445658049.

940856544 is a `hidden beast` number, since 9 + 40 + 8 + 565 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×940856544² = 1770422072775247872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 940856544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940856549) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11097 + ... + 44775.

It is an arithmetic number, because the mean of its divisors is an integer number (37544780).

Almost surely, 2^940856544 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 940856544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1351612080).

940856544 is an abundant number, since it is smaller than the sum of its proper divisors (1762367616).

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

940856544 is a wasteful number, since it uses less digits than its factorization.

940856544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33792 (or 33781 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 940856544 is about 30673.3849452583. The cubic root of 940856544 is about 979.8835568993.

The spelling of 940856544 in words is "nine hundred forty million, eight hundred fifty-six thousand, five hundred forty-four".