6820291044 has 60 divisors (see below), whose sum is σ = 20376678784. Its totient is φ = 1948653936.

The previous prime is 6820291003. The next prime is 6820291057. The reversal of 6820291044 is 4401920286.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1501324 + ... + 1505859.

Almost surely, 2^6820291044 is an apocalyptic number.

It is an amenable number.

6820291044 is an abundant number, since it is smaller than the sum of its proper divisors (13556387740).

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

6820291044 is a wasteful number, since it uses less digits than its factorization.

6820291044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007206 (or 3007195 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 6820291044 is about 82585.0533934561. The cubic root of 6820291044 is about 1896.4190209119.

The spelling of 6820291044 in words is "six billion, eight hundred twenty million, two hundred ninety-one thousand, forty-four".