4445726994188 has 6 divisors (see below), whose sum is σ = 7780022239836. Its totient is φ = 2222863497092.

The previous prime is 4445726994127. The next prime is 4445726994239. The reversal of 4445726994188 is 8814996275444.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555715874270 + ... + 555715874277.

It is an arithmetic number, because the mean of its divisors is an integer number (1296670373306).

Almost surely, 2^{4445726994188} is an apocalyptic number.

It is an amenable number.

4445726994188 is a deficient number, since it is larger than the sum of its proper divisors (3334295245648).

4445726994188 is a wasteful number, since it uses less digits than its factorization.

4445726994188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111431748551 (or 1111431748549 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 71.

The spelling of 4445726994188 in words is "four trillion, four hundred forty-five billion, seven hundred twenty-six million, nine hundred ninety-four thousand, one hundred eighty-eight".