8422942464 has 180 divisors, whose sum is σ = 25531256520. Its totient is φ = 2761205760.

The previous prime is 8422942457. The next prime is 8422942481. The reversal of 8422942464 is 4642492248.

8422942464 is a `hidden beast` number, since 84 + 22 + 94 + 2 + 464 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1261567 + ... + 1268225.

It is an arithmetic number, because the mean of its divisors is an integer number (141840314).

Almost surely, 2^8422942464 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 8422942464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12765628260).

8422942464 is an abundant number, since it is smaller than the sum of its proper divisors (17108314056).

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

8422942464 is an equidigital number, since it uses as much as digits as its factorization.

8422942464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6748 (or 6725 counting only the distinct ones).

The product of its digits is 884736, while the sum is 45.

The square root of 8422942464 is about 91776.5899562628. The cubic root of 8422942464 is about 2034.6417167518.

The spelling of 8422942464 in words is "eight billion, four hundred twenty-two million, nine hundred forty-two thousand, four hundred sixty-four".