6621024244 has 24 divisors (see below), whose sum is σ = 11862095168. Its totient is φ = 3231930240.

The previous prime is 6621024233. The next prime is 6621024247. The reversal of 6621024244 is 4424201266.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6621024247) 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, 389164 + ... + 405820.

Almost surely, 2^6621024244 is an apocalyptic number.

It is an amenable number.

6621024244 is a deficient number, since it is larger than the sum of its proper divisors (5241070924).

6621024244 is a wasteful number, since it uses less digits than its factorization.

6621024244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19015 (or 19013 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 6621024244 is about 81369.6764403055. The cubic root of 6621024244 is about 1877.7671019155.

The spelling of 6621024244 in words is "six billion, six hundred twenty-one million, twenty-four thousand, two hundred forty-four".