6418133740 has 12 divisors (see below), whose sum is σ = 13478080896. Its totient is φ = 2567253488.

The previous prime is 6418133737. The next prime is 6418133741. The reversal of 6418133740 is 473318146.

It is a self number, because there is not a number n which added to its sum of digits gives 6418133740.

It is not an unprimeable number, because it can be changed into a prime (6418133741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160453324 + ... + 160453363.

It is an arithmetic number, because the mean of its divisors is an integer number (1123173408).

Almost surely, 2^6418133740 is an apocalyptic number.

It is an amenable number.

6418133740 is an abundant number, since it is smaller than the sum of its proper divisors (7059947156).

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

6418133740 is a wasteful number, since it uses less digits than its factorization.

6418133740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320906696 (or 320906694 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 6418133740 is about 80113.2557071550. The cubic root of 6418133740 is about 1858.3874083393.

The spelling of 6418133740 in words is "six billion, four hundred eighteen million, one hundred thirty-three thousand, seven hundred forty".