6418634424 has 64 divisors (see below), whose sum is σ = 16434316800. Its totient is φ = 2087936256.

The previous prime is 6418634401. The next prime is 6418634437. The reversal of 6418634424 is 4244368146.

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 15 ways as a sum of consecutive naturals, for example, 1631692 + ... + 1635620.

It is an arithmetic number, because the mean of its divisors is an integer number (256786200).

Almost surely, 2^6418634424 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 6418634424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8217158400).

6418634424 is an abundant number, since it is smaller than the sum of its proper divisors (10015682376).

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

6418634424 is a wasteful number, since it uses less digits than its factorization.

6418634424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564 (or 5560 counting only the distinct ones).

The product of its digits is 442368, while the sum is 42.

The square root of 6418634424 is about 80116.3804973739. The cubic root of 6418634424 is about 1858.4357318699.

The spelling of 6418634424 in words is "six billion, four hundred eighteen million, six hundred thirty-four thousand, four hundred twenty-four".