1018738194224 has 80 divisors (see below), whose sum is σ = 2087718029280. Its totient is φ = 480233318400.

The previous prime is 1018738194211. The next prime is 1018738194251. The reversal of 1018738194224 is 4224918378101.

It is a happy number.

1018738194224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233814254 + ... + 233818610.

It is an arithmetic number, because the mean of its divisors is an integer number (26096475366).

Almost surely, 2^{1018738194224} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1018738194224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1043859014640).

1018738194224 is an abundant number, since it is smaller than the sum of its proper divisors (1068979835056).

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

1018738194224 is a wasteful number, since it uses less digits than its factorization.

1018738194224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7918 (or 7912 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 1018738194224 in words is "one trillion, eighteen billion, seven hundred thirty-eight million, one hundred ninety-four thousand, two hundred twenty-four".