94686320640 has 384 divisors, whose sum is σ = 329214412800. Its totient is φ = 23144693760.

The previous prime is 94686320629. The next prime is 94686320647. The reversal of 94686320640 is 4602368649.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 94686320640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94686320647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18091464 + ... + 18096696.

It is an arithmetic number, because the mean of its divisors is an integer number (857329200).

Almost surely, 2^94686320640 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 94686320640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164607206400).

94686320640 is an abundant number, since it is smaller than the sum of its proper divisors (234528092160).

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

94686320640 is a wasteful number, since it uses less digits than its factorization.

94686320640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313 (or 5293 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 94686320640 in words is "ninety-four billion, six hundred eighty-six million, three hundred twenty thousand, six hundred forty".