1797444480 has 512 divisors, whose sum is σ = 6711828480. Its totient is φ = 405504000.

The previous prime is 1797444463. The next prime is 1797444601. The reversal of 1797444480 is 844447971.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17796430 + ... + 17796530.

It is an arithmetic number, because the mean of its divisors is an integer number (13109040).

Almost surely, 2^1797444480 is an apocalyptic number.

1797444480 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 1797444480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3355914240).

1797444480 is an abundant number, since it is smaller than the sum of its proper divisors (4914384000).

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

1797444480 is a wasteful number, since it uses less digits than its factorization.

1797444480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 1797444480 is about 42396.2790820138. The cubic root of 1797444480 is about 1215.8644528044.

The spelling of 1797444480 in words is "one billion, seven hundred ninety-seven million, four hundred forty-four thousand, four hundred eighty".