6418734432 has 288 divisors, whose sum is σ = 19734220800. Its totient is φ = 1820206080.

The previous prime is 6418734409. The next prime is 6418734461. The reversal of 6418734432 is 2344378146.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28029294 + ... + 28029522.

It is an arithmetic number, because the mean of its divisors is an integer number (68521600).

Almost surely, 2^6418734432 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 6418734432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9867110400).

6418734432 is an abundant number, since it is smaller than the sum of its proper divisors (13315486368).

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

6418734432 is a wasteful number, since it uses less digits than its factorization.

6418734432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 391 counting only the distinct ones).

The product of its digits is 387072, while the sum is 42.

The square root of 6418734432 is about 80117.0046369683. The cubic root of 6418734432 is about 1858.4453838438.

The spelling of 6418734432 in words is "six billion, four hundred eighteen million, seven hundred thirty-four thousand, four hundred thirty-two".