6219215044 has 81 divisors (see below), whose sum is σ = 13061523951. Its totient is φ = 2583519120.

The previous prime is 6219215027. The next prime is 6219215081. The reversal of 6219215044 is 4405129126.

The square root of 6219215044 is 78862.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 47474859 + ... + 47474989.

Almost surely, 2^6219215044 is an apocalyptic number.

6219215044 is the 78862-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6219215044

6219215044 is an abundant number, since it is smaller than the sum of its proper divisors (6842308907).

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

6219215044 is a wasteful number, since it uses less digits than its factorization.

6219215044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The cubic root of 6219215044 is about 1838.9864301959.

The spelling of 6219215044 in words is "six billion, two hundred nineteen million, two hundred fifteen thousand, forty-four".