4447380674478 has 128 divisors (see below), whose sum is σ = 10436101632000. Its totient is φ = 1237049210880.

The previous prime is 4447380674447. The next prime is 4447380674491. The reversal of 4447380674478 is 8744760837444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 817380238 + ... + 817385678.

It is an arithmetic number, because the mean of its divisors is an integer number (81532044000).

Almost surely, 2^{4447380674478} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4447380674478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5218050816000).

4447380674478 is an abundant number, since it is smaller than the sum of its proper divisors (5988720957522).

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

4447380674478 is a wasteful number, since it uses less digits than its factorization.

4447380674478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6902.

The product of its (nonzero) digits is 404619264, while the sum is 66.

The spelling of 4447380674478 in words is "four trillion, four hundred forty-seven billion, three hundred eighty million, six hundred seventy-four thousand, four hundred seventy-eight".