1880240 has 40 divisors (see below), whose sum is σ = 4605360. Its totient is φ = 711936.

The previous prime is 1880233. The next prime is 1880257. The reversal of 1880240 is 420881.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (115134).

2^1880240 is an apocalyptic number.

1880240 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 1880240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2302680).

1880240 is an abundant number, since it is smaller than the sum of its proper divisors (2725120).

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

1880240 is a wasteful number, since it uses less digits than its factorization.

1880240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1880240 is about 1371.2184362821. The cubic root of 1880240 is about 123.4253675519.

The spelling of 1880240 in words is "one million, eight hundred eighty thousand, two hundred forty".