1798913433408 has 448 divisors, whose sum is σ = 6063973859328. Its totient is φ = 457960366080.

The previous prime is 1798913433407. The next prime is 1798913433433. The reversal of 1798913433408 is 8043343198971.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798913433407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82089973 + ... + 82111883.

It is an arithmetic number, because the mean of its divisors is an integer number (13535655936).

Almost surely, 2^{1798913433408} 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 1798913433408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3031986929664).

1798913433408 is an abundant number, since it is smaller than the sum of its proper divisors (4265060425920).

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

1798913433408 is a wasteful number, since it uses less digits than its factorization.

1798913433408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22110 (or 22100 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 1798913433408 in words is "one trillion, seven hundred ninety-eight billion, nine hundred thirteen million, four hundred thirty-three thousand, four hundred eight".