8622664420000 has 60 divisors (see below), whose sum is σ = 21213047922066. Its totient is φ = 3449065760000.

The previous prime is 8622664419979. The next prime is 8622664420003. The reversal of 8622664420000 is 244662268.

It can be written as a sum of positive squares in 5 ways, for example, as 7429750416 + 8615234669584 = 86196^2 + 2935172^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (8622664420003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 215546611 + ... + 215586610.

Almost surely, 2^{8622664420000} is an apocalyptic number.

8622664420000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8622664420000 is an abundant number, since it is smaller than the sum of its proper divisors (12590383502066).

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

8622664420000 is an equidigital number, since it uses as much as digits as its factorization.

8622664420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431133251 (or 431133228 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 8622664420000 in words is "eight trillion, six hundred twenty-two billion, six hundred sixty-four million, four hundred twenty thousand".