8939213447040 has 320 divisors, whose sum is σ = 33801404178960. Its totient is φ = 2243567075328.

The previous prime is 8939213447011. The next prime is 8939213447041. The reversal of 8939213447040 is 407443129398.

8939213447040 is a `hidden beast` number, since 8 + 9 + 39 + 2 + 134 + 470 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8939213447041) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4190442 + ... + 5953001.

Almost surely, 2^{8939213447040} is an apocalyptic number.

8939213447040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8939213447040 is an abundant number, since it is smaller than the sum of its proper divisors (24862190731920).

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

8939213447040 is a wasteful number, since it uses less digits than its factorization.

8939213447040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143491 (or 10143470 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 8939213447040 in words is "eight trillion, nine hundred thirty-nine billion, two hundred thirteen million, four hundred forty-seven thousand, forty".