4354636441818 has 128 divisors (see below), whose sum is σ = 9732256579584. Its totient is φ = 1290430310400.

The previous prime is 4354636441783. The next prime is 4354636441867. The reversal of 4354636441818 is 8181446364534.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88141903 + ... + 88191293.

It is an arithmetic number, because the mean of its divisors is an integer number (76033254528).

Almost surely, 2^{4354636441818} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4354636441818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4866128289792).

4354636441818 is an abundant number, since it is smaller than the sum of its proper divisors (5377620137766).

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

4354636441818 is a wasteful number, since it uses less digits than its factorization.

4354636441818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49820.

The product of its digits is 26542080, while the sum is 57.

The spelling of 4354636441818 in words is "four trillion, three hundred fifty-four billion, six hundred thirty-six million, four hundred forty-one thousand, eight hundred eighteen".