4426816938078 has 48 divisors (see below), whose sum is σ = 9352885810320. Its totient is φ = 1396633750272.

The previous prime is 4426816938023. The next prime is 4426816938083. The reversal of 4426816938078 is 8708396186244.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1359526 + ... + 3271382.

It is an arithmetic number, because the mean of its divisors is an integer number (194851787715).

Almost surely, 2^{4426816938078} is an apocalyptic number.

4426816938078 is an abundant number, since it is smaller than the sum of its proper divisors (4926068872242).

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

4426816938078 is a wasteful number, since it uses less digits than its factorization.

4426816938078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912969 (or 1912950 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 66.

The spelling of 4426816938078 in words is "four trillion, four hundred twenty-six billion, eight hundred sixteen million, nine hundred thirty-eight thousand, seventy-eight".