1799308988400 has 1920 divisors, whose sum is σ = 7876595865600. Its totient is φ = 346816512000.

The previous prime is 1799308988381. The next prime is 1799308988437. The reversal of 1799308988400 is 48898039971.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 7466012280 + ... + 7466012520.

It is an arithmetic number, because the mean of its divisors is an integer number (4102393680).

Almost surely, 2^{1799308988400} is an apocalyptic number.

1799308988400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1799308988400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3938297932800).

1799308988400 is an abundant number, since it is smaller than the sum of its proper divisors (6077286877200).

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

1799308988400 is a wasteful number, since it uses less digits than its factorization.

1799308988400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 66.

The spelling of 1799308988400 in words is "one trillion, seven hundred ninety-nine billion, three hundred eight million, nine hundred eighty-eight thousand, four hundred".