240578 has 16 divisors (see below), whose sum is σ = 409920. Its totient is φ = 104976.

The previous prime is 240571. The next prime is 240587. The reversal of 240578 is 875042.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a cake number, because a cake can be divided into 240578 parts by 113 planar cuts.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251 + ... + 737.

It is an arithmetic number, because the mean of its divisors is an integer number (25620).

2²⁴⁰⁵⁷⁸ is an apocalyptic number.

240578 is a deficient number, since it is larger than the sum of its proper divisors (169342).

240578 is a wasteful number, since it uses less digits than its factorization.

240578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 240578 is about 490.4875125831. The cubic root of 240578 is about 62.1944984674.

It can be divided in two parts, 240 and 578, that added together give a palindrome (818).

The spelling of 240578 in words is "two hundred forty thousand, five hundred seventy-eight".