94547312640 has 1024 divisors, whose sum is σ = 385031232000. Its totient is φ = 21799895040.

The previous prime is 94547312633. The next prime is 94547312687. The reversal of 94547312640 is 4621374549.

94547312640 is a `hidden beast` number, since 9 + 454 + 73 + 126 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1024).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1411153887 + ... + 1411153953.

Almost surely, 2^94547312640 is an apocalyptic number.

94547312640 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 94547312640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192515616000).

94547312640 is an abundant number, since it is smaller than the sum of its proper divisors (290483919360).

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

94547312640 is a wasteful number, since it uses less digits than its factorization.

94547312640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 94547312640 in words is "ninety-four billion, five hundred forty-seven million, three hundred twelve thousand, six hundred forty".