94561440 has 48 divisors (see below), whose sum is σ = 297870048. Its totient is φ = 25216256.

The previous prime is 94561427. The next prime is 94561447. The reversal of 94561440 is 4416549.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (94561447) 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 7 ways as a sum of consecutive naturals, for example, 98022 + ... + 98981.

It is an arithmetic number, because the mean of its divisors is an integer number (6205626).

Almost surely, 2^94561440 is an apocalyptic number.

It is an amenable number.

94561440 is an abundant number, since it is smaller than the sum of its proper divisors (203308608).

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

94561440 is a wasteful number, since it uses less digits than its factorization.

94561440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197021 (or 197013 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 94561440 is about 9724.2706667390. The cubic root of 94561440 is about 455.5870376375.

Adding to 94561440 its reverse (4416549), we get a palindrome (98977989).

The spelling of 94561440 in words is "ninety-four million, five hundred sixty-one thousand, four hundred forty".