8994686238720 has 3040 divisors, whose sum is σ = 42630824544000. Its totient is φ = 1797896798208.

The previous prime is 8994686238679. The next prime is 8994686238751. The reversal of 8994686238720 is 278326864998.

8994686238720 is a `hidden beast` number, since 8 + 9 + 9 + 468 + 62 + 3 + 87 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (3040).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 473404538871 + ... + 473404538889.

Almost surely, 2^{8994686238720} is an apocalyptic number.

8994686238720 is a gapful number since it is divisible by the number (80) 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 8994686238720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21315412272000).

8994686238720 is an abundant number, since it is smaller than the sum of its proper divisors (33636138305280).

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

8994686238720 is an frugal number, since it uses more digits than its factorization.

8994686238720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 501645312, while the sum is 72.

The spelling of 8994686238720 in words is "eight trillion, nine hundred ninety-four billion, six hundred eighty-six million, two hundred thirty-eight thousand, seven hundred twenty".