1728519480 has 256 divisors, whose sum is σ = 6011280000. Its totient is φ = 441262080.

The previous prime is 1728519479. The next prime is 1728519497. The reversal of 1728519480 is 849158271.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7172160 + ... + 7172400.

Almost surely, 2^1728519480 is an apocalyptic number.

1728519480 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 1728519480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3005640000).

1728519480 is an abundant number, since it is smaller than the sum of its proper divisors (4282760520).

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

1728519480 is a wasteful number, since it uses less digits than its factorization.

1728519480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 1728519480 is about 41575.4672854076. The cubic root of 1728519480 is about 1200.1202379520.

The spelling of 1728519480 in words is "one billion, seven hundred twenty-eight million, five hundred nineteen thousand, four hundred eighty".