94420440 has 96 divisors (see below), whose sum is σ = 308149920. Its totient is φ = 25073664.

The previous prime is 94420399. The next prime is 94420441. The reversal of 94420440 is 4402449.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94420441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126709 + ... + 127451.

It is an arithmetic number, because the mean of its divisors is an integer number (3209895).

Almost surely, 2^94420440 is an apocalyptic number.

94420440 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 94420440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154074960).

94420440 is an abundant number, since it is smaller than the sum of its proper divisors (213729480).

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

94420440 is a wasteful number, since it uses less digits than its factorization.

94420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1106 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 94420440 is about 9717.0180611132. The cubic root of 94420440 is about 455.3604839564.

Adding to 94420440 its reverse (4402449), we get a palindrome (98822889).

The spelling of 94420440 in words is "ninety-four million, four hundred twenty thousand, four hundred forty".