1794211446720 has 448 divisors, whose sum is σ = 7125505744896. Its totient is φ = 371604049920.

The previous prime is 1794211446701. The next prime is 1794211446721. The reversal of 1794211446720 is 276441124971.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1794211446720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1794211446721) 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, 22653909 + ... + 22732971.

It is an arithmetic number, because the mean of its divisors is an integer number (15905146752).

Almost surely, 2^{1794211446720} is an apocalyptic number.

1794211446720 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 1794211446720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3562752872448).

1794211446720 is an abundant number, since it is smaller than the sum of its proper divisors (5331294298176).

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

1794211446720 is a wasteful number, since it uses less digits than its factorization.

1794211446720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79408 (or 79398 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 1794211446720 in words is "one trillion, seven hundred ninety-four billion, two hundred eleven million, four hundred forty-six thousand, seven hundred twenty".