180857448 has 80 divisors (see below), whose sum is σ = 513833760. Its totient is φ = 59421600.

The previous prime is 180857431. The next prime is 180857449. The reversal of 180857448 is 844758081.

180857448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (180857449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44043 + ... + 47973.

It is an arithmetic number, because the mean of its divisors is an integer number (6422922).

Almost surely, 2^180857448 is an apocalyptic number.

180857448 is a gapful number since it is divisible by the number (18) 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 180857448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256916880).

180857448 is an abundant number, since it is smaller than the sum of its proper divisors (332976312).

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

180857448 is a wasteful number, since it uses less digits than its factorization.

180857448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020 (or 4007 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 180857448 is about 13448.3251001751. The cubic root of 180857448 is about 565.5167413375.

The spelling of 180857448 in words is "one hundred eighty million, eight hundred fifty-seven thousand, four hundred forty-eight".