240780 has 24 divisors (see below), whose sum is σ = 674352. Its totient is φ = 64192.

The previous prime is 240769. The next prime is 240797. The reversal of 240780 is 87042.

It is a happy number.

240780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×240780⁴ (a number of 23 digits) contains 4444 as substring.

It is a nialpdrome in base 12.

It is an unprimeable number.

240780 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1947 + ... + 2066.

It is an arithmetic number, because the mean of its divisors is an integer number (28098).

2²⁴⁰⁷⁸⁰ is an apocalyptic number.

240780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240780 is an abundant number, since it is smaller than the sum of its proper divisors (433572).

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

240780 is a wasteful number, since it uses less digits than its factorization.

240780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025 (or 4023 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 240780 is about 490.6933869536. The cubic root of 240780 is about 62.2119006878.

The spelling of 240780 in words is "two hundred forty thousand, seven hundred eighty".