444466937778 has 8 divisors (see below), whose sum is σ = 888933875568. Its totient is φ = 148155645924.

The previous prime is 444466937777. The next prime is 444466937819. The reversal of 444466937778 is 877739664444.

It is a sphenic number, since it is the product of 3 distinct primes.

444466937778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (444466937777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37038911476 + ... + 37038911487.

It is an arithmetic number, because the mean of its divisors is an integer number (111116734446).

Almost surely, 2^444466937778 is an apocalyptic number.

444466937778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

444466937778 is a wasteful number, since it uses less digits than its factorization.

444466937778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74077822968.

The product of its digits is 682795008, while the sum is 69.

The spelling of 444466937778 in words is "four hundred forty-four billion, four hundred sixty-six million, nine hundred thirty-seven thousand, seven hundred seventy-eight".