6426418544 has 160 divisors (see below), whose sum is σ = 15929647104. Its totient is φ = 2443115520.

The previous prime is 6426418541. The next prime is 6426418547. The reversal of 6426418544 is 4458146246.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6426418541) and next prime (6426418547).

It is a junction number, because it is equal to n+sod(n) for n = 6426418495 and 6426418504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426418541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7808117 + ... + 7808939.

Almost surely, 2^6426418544 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 6426418544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7964823552).

6426418544 is an abundant number, since it is smaller than the sum of its proper divisors (9503228560).

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

6426418544 is a wasteful number, since it uses less digits than its factorization.

6426418544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1049 counting only the distinct ones).

The product of its digits is 737280, while the sum is 44.

The square root of 6426418544 is about 80164.9458554049. The cubic root of 6426418544 is about 1859.1866934086.

The spelling of 6426418544 in words is "six billion, four hundred twenty-six million, four hundred eighteen thousand, five hundred forty-four".