94442545890 has 512 divisors, whose sum is σ = 337615257600. Its totient is φ = 18192418560.

The previous prime is 94442545859. The next prime is 94442545907. The reversal of 94442545890 is 9854524449.

94442545890 is a `hidden beast` number, since 9 + 4 + 4 + 4 + 2 + 54 + 589 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 18562927 + ... + 18568013.

It is an arithmetic number, because the mean of its divisors is an integer number (659404800).

Almost surely, 2^94442545890 is an apocalyptic number.

94442545890 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 94442545890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168807628800).

94442545890 is an abundant number, since it is smaller than the sum of its proper divisors (243172711710).

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

94442545890 is a wasteful number, since it uses less digits than its factorization.

94442545890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187 (or 5181 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 94442545890 in words is "ninety-four billion, four hundred forty-two million, five hundred forty-five thousand, eight hundred ninety".