1728452560 has 80 divisors (see below), whose sum is σ = 4267869696. Its totient is φ = 648751104.

The previous prime is 1728452549. The next prime is 1728452563. The reversal of 1728452560 is 652548271.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1728452563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497389 + ... + 500851.

Almost surely, 2^1728452560 is an apocalyptic number.

1728452560 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 1728452560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133934848).

1728452560 is an abundant number, since it is smaller than the sum of its proper divisors (2539417136).

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

1728452560 is a wasteful number, since it uses less digits than its factorization.

1728452560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860 (or 3854 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 1728452560 is about 41574.6624760803. The cubic root of 1728452560 is about 1200.1047501152.

The spelling of 1728452560 in words is "one billion, seven hundred twenty-eight million, four hundred fifty-two thousand, five hundred sixty".