180266240 has 288 divisors, whose sum is σ = 565125120. Its totient is φ = 53452800.

The previous prime is 180266237. The next prime is 180266269. The reversal of 180266240 is 42662081.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3055331 + ... + 3055389.

It is an arithmetic number, because the mean of its divisors is an integer number (1962240).

Almost surely, 2^180266240 is an apocalyptic number.

180266240 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 180266240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282562560).

180266240 is an abundant number, since it is smaller than the sum of its proper divisors (384858880).

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

180266240 is a wasteful number, since it uses less digits than its factorization.

180266240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 180266240 is about 13426.3263776805. The cubic root of 180266240 is about 564.8998595592.

The spelling of 180266240 in words is "one hundred eighty million, two hundred sixty-six thousand, two hundred forty".