4448743661418 has 64 divisors (see below), whose sum is σ = 10599496427520. Its totient is φ = 1217871345600.

The previous prime is 4448743661371. The next prime is 4448743661443. The reversal of 4448743661418 is 8141663478444.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13781278 + ... + 14100393.

It is an arithmetic number, because the mean of its divisors is an integer number (165617131680).

Almost surely, 2^{4448743661418} is an apocalyptic number.

4448743661418 is an abundant number, since it is smaller than the sum of its proper divisors (6150752766102).

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

4448743661418 is a wasteful number, since it uses less digits than its factorization.

4448743661418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27881843.

The product of its digits is 49545216, while the sum is 60.

The spelling of 4448743661418 in words is "four trillion, four hundred forty-eight billion, seven hundred forty-three million, six hundred sixty-one thousand, four hundred eighteen".