6118329640 has 32 divisors (see below), whose sum is σ = 13865292000. Its totient is φ = 2429722944.

The previous prime is 6118329629. The next prime is 6118329643. The reversal of 6118329640 is 469238116.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 6118329593 and 6118329602.

It is not an unprimeable number, because it can be changed into a prime (6118329643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544650 + ... + 555769.

It is an arithmetic number, because the mean of its divisors is an integer number (433290375).

Almost surely, 2^6118329640 is an apocalyptic number.

It is an amenable number.

6118329640 is an abundant number, since it is smaller than the sum of its proper divisors (7746962360).

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

6118329640 is a wasteful number, since it uses less digits than its factorization.

6118329640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100569 (or 1100565 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 6118329640 is about 78219.7522368871. The cubic root of 6118329640 is about 1828.9884263710.

The spelling of 6118329640 in words is "six billion, one hundred eighteen million, three hundred twenty-nine thousand, six hundred forty".