4423421464 has 128 divisors (see below), whose sum is σ = 10967040000. Its totient is φ = 1620362880.

The previous prime is 4423421461. The next prime is 4423421477. The reversal of 4423421464 is 4641243244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423421461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1625497 + ... + 1628215.

It is an arithmetic number, because the mean of its divisors is an integer number (85680000).

Almost surely, 2^4423421464 is an apocalyptic number.

4423421464 is a gapful number since it is divisible by the number (44) 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 4423421464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5483520000).

4423421464 is an abundant number, since it is smaller than the sum of its proper divisors (6543618536).

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

4423421464 is a wasteful number, since it uses less digits than its factorization.

4423421464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901 (or 2897 counting only the distinct ones).

The product of its digits is 73728, while the sum is 34.

The square root of 4423421464 is about 66508.8074167625. The cubic root of 4423421464 is about 1641.5449282719.

The spelling of 4423421464 in words is "four billion, four hundred twenty-three million, four hundred twenty-one thousand, four hundred sixty-four".