6640058038 has 8 divisors (see below), whose sum is σ = 9963141840. Its totient is φ = 3319010760.

The previous prime is 6640058021. The next prime is 6640058053. The reversal of 6640058038 is 8308500466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500953 + ... + 514036.

It is an arithmetic number, because the mean of its divisors is an integer number (1245392730).

Almost surely, 2^6640058038 is an apocalyptic number.

6640058038 is a deficient number, since it is larger than the sum of its proper divisors (3323083802).

6640058038 is a wasteful number, since it uses less digits than its factorization.

6640058038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018262.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 6640058038 is about 81486.5512707465. The cubic root of 6640058038 is about 1879.5647511725.

The spelling of 6640058038 in words is "six billion, six hundred forty million, fifty-eight thousand, thirty-eight".