940323840 has 176 divisors, whose sum is σ = 3112750080. Its totient is φ = 241991680.

The previous prime is 940323833. The next prime is 940323841. The reversal of 940323840 is 48323049.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940323841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444385 + ... + 446495.

It is an arithmetic number, because the mean of its divisors is an integer number (17686080).

Almost surely, 2^940323840 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 940323840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1556375040).

940323840 is an abundant number, since it is smaller than the sum of its proper divisors (2172426240).

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

940323840 is a wasteful number, since it uses less digits than its factorization.

940323840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168 (or 2150 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 940323840 is about 30664.7002268080. The cubic root of 940323840 is about 979.6985884116.

Adding to 940323840 its reverse (48323049), we get a palindrome (988646889).

The spelling of 940323840 in words is "nine hundred forty million, three hundred twenty-three thousand, eight hundred forty".