6418754040 has 128 divisors (see below), whose sum is σ = 20293920000. Its totient is φ = 1619647488.

The previous prime is 6418754009. The next prime is 6418754053. The reversal of 6418754040 is 404578146.

It is a self number, because there is not a number n which added to its sum of digits gives 6418754040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3777111 + ... + 3778809.

It is an arithmetic number, because the mean of its divisors is an integer number (158546250).

Almost surely, 2^6418754040 is an apocalyptic number.

6418754040 is a gapful number since it is divisible by the number (60) 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 6418754040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10146960000).

6418754040 is an abundant number, since it is smaller than the sum of its proper divisors (13875165960).

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

6418754040 is a wasteful number, since it uses less digits than its factorization.

6418754040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 6418754040 is about 80117.1270079001. The cubic root of 6418754040 is about 1858.4472762397.

The spelling of 6418754040 in words is "six billion, four hundred eighteen million, seven hundred fifty-four thousand, forty".