94040240 has 80 divisors (see below), whose sum is σ = 251150592. Its totient is φ = 32078592.

The previous prime is 94040207. The next prime is 94040249. The reversal of 94040240 is 4204049.

It is a happy number.

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 (94040249) 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, 171647 + ... + 172193.

Almost surely, 2^94040240 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 94040240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125575296).

94040240 is an abundant number, since it is smaller than the sum of its proper divisors (157110352).

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

94040240 is a wasteful number, since it uses less digits than its factorization.

94040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 94040240 is about 9697.4347123350. The cubic root of 94040240 is about 454.7484662132.

Adding to 94040240 its reverse (4204049), we get a palindrome (98244289).

The spelling of 94040240 in words is "ninety-four million, forty thousand, two hundred forty".