940656240 has 200 divisors, whose sum is σ = 3459622320. Its totient is φ = 236058624.

The previous prime is 940656203. The next prime is 940656251. The reversal of 940656240 is 42656049.

940656240 is a `hidden beast` number, since 9 + 406 + 5 + 6 + 240 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 940656195 and 940656204.

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 39 ways as a sum of consecutive naturals, for example, 105891 + ... + 114429.

Almost surely, 2^940656240 is an apocalyptic number.

940656240 is a gapful number since it is divisible by the number (90) 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 940656240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729811160).

940656240 is an abundant number, since it is smaller than the sum of its proper divisors (2518966080).

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

940656240 is a wasteful number, since it uses less digits than its factorization.

940656240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8581 (or 8566 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 940656240 is about 30670.1196606730. The cubic root of 940656240 is about 979.8140144072.

The spelling of 940656240 in words is "nine hundred forty million, six hundred fifty-six thousand, two hundred forty".