4449081939680 has 48 divisors (see below), whose sum is σ = 12012521240160. Its totient is φ = 1525399521792.

The previous prime is 4449081939677. The next prime is 4449081939697. The reversal of 4449081939680 is 869391809444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1986196175 + ... + 1986198414.

It is an arithmetic number, because the mean of its divisors is an integer number (250260859170).

Almost surely, 2^{4449081939680} is an apocalyptic number.

4449081939680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4449081939680 is an abundant number, since it is smaller than the sum of its proper divisors (7563439300480).

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

4449081939680 is a wasteful number, since it uses less digits than its factorization.

4449081939680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972394611 (or 3972394603 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 65.

The spelling of 4449081939680 in words is "four trillion, four hundred forty-nine billion, eighty-one million, nine hundred thirty-nine thousand, six hundred eighty".