240020200042 has 16 divisors (see below), whose sum is σ = 413617462272. Its totient is φ = 102327234480.

The previous prime is 240020199961. The next prime is 240020200051. The reversal of 240020200042 is 240002020042.

It is a junction number, because it is equal to n+sod(n) for n = 240020199989 and 240020200025.

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, 44877693 + ... + 44883040.

It is an arithmetic number, because the mean of its divisors is an integer number (25851091392).

Almost surely, 2^240020200042 is an apocalyptic number.

240020200042 is a deficient number, since it is larger than the sum of its proper divisors (173597262230).

240020200042 is a wasteful number, since it uses less digits than its factorization.

240020200042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89760933.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 240020200042 its reverse (240002020042), we get a palindrome (480022220084).

The spelling of 240020200042 in words is "two hundred forty billion, twenty million, two hundred thousand, forty-two".