1818004407336 has 320 divisors, whose sum is σ = 5529127369920. Its totient is φ = 554777164800.

The previous prime is 1818004407293. The next prime is 1818004407377. The reversal of 1818004407336 is 6337044008181.

It is a super-2 number, since 2×1818004407336² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1818004407291 and 1818004407300.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 825239211 + ... + 825241413.

It is an arithmetic number, because the mean of its divisors is an integer number (17278523031).

Almost surely, 2^{1818004407336} 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 1818004407336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2764563684960).

1818004407336 is an abundant number, since it is smaller than the sum of its proper divisors (3711122962584).

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

1818004407336 is a wasteful number, since it uses less digits than its factorization.

1818004407336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 1818004407336 in words is "one trillion, eight hundred eighteen billion, four million, four hundred seven thousand, three hundred thirty-six".