94442987520 has 336 divisors, whose sum is σ = 374161507200. Its totient is φ = 21586378752.

The previous prime is 94442987449. The next prime is 94442987531. The reversal of 94442987520 is 2578924449.

It is a happy number.

94442987520 is a `hidden beast` number, since 94 + 4 + 4 + 29 + 8 + 7 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2562181 + ... + 2598779.

Almost surely, 2^94442987520 is an apocalyptic number.

94442987520 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 94442987520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187080753600).

94442987520 is an abundant number, since it is smaller than the sum of its proper divisors (279718519680).

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

94442987520 is a wasteful number, since it uses less digits than its factorization.

94442987520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36643 (or 36616 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 94442987520 in words is "ninety-four billion, four hundred forty-two million, nine hundred eighty-seven thousand, five hundred twenty".