1799374985408 has 504 divisors, whose sum is σ = 4993184454048. Its totient is φ = 626017075200.

The previous prime is 1799374985389. The next prime is 1799374985453. The reversal of 1799374985408 is 8045894739971.

It is a happy number.

It is a super-2 number, since 2×1799374985408² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 677219216 + ... + 677221872.

It is an arithmetic number, because the mean of its divisors is an integer number (9907112012).

Almost surely, 2^{1799374985408} 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 1799374985408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2496592227024).

1799374985408 is an abundant number, since it is smaller than the sum of its proper divisors (3193809468640).

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

1799374985408 is a wasteful number, since it uses less digits than its factorization.

1799374985408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773 (or 2721 counting only the distinct ones).

The product of its (nonzero) digits is 548674560, while the sum is 74.

The spelling of 1799374985408 in words is "one trillion, seven hundred ninety-nine billion, three hundred seventy-four million, nine hundred eighty-five thousand, four hundred eight".