1725408880 has 120 divisors (see below), whose sum is σ = 4600031472. Its totient is φ = 599519232.

The previous prime is 1725408859. The next prime is 1725408887. The reversal of 1725408880 is 888045271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1725408887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226087 + ... + 233593.

Almost surely, 2^1725408880 is an apocalyptic number.

1725408880 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 1725408880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2300015736).

1725408880 is an abundant number, since it is smaller than the sum of its proper divisors (2874622592).

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

1725408880 is a wasteful number, since it uses less digits than its factorization.

1725408880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7563 (or 7544 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 1725408880 is about 41538.0413596982. The cubic root of 1725408880 is about 1199.3999036574.

The spelling of 1725408880 in words is "one billion, seven hundred twenty-five million, four hundred eight thousand, eight hundred eighty".