240420244442 has 16 divisors (see below), whose sum is σ = 412437442560. Its totient is φ = 102965134608.

The previous prime is 240420244439. The next prime is 240420244447. The reversal of 240420244442 is 244442024042.

It is a junction number, because it is equal to n+sod(n) for n = 240420244399 and 240420244408.

It is not an unprimeable number, because it can be changed into a prime (240420244447) 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, 5988698 + ... + 6028709.

It is an arithmetic number, because the mean of its divisors is an integer number (25777340160).

Almost surely, 2^240420244442 is an apocalyptic number.

240420244442 is a deficient number, since it is larger than the sum of its proper divisors (172017198118).

240420244442 is a wasteful number, since it uses less digits than its factorization.

240420244442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12018845.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 240420244442 its reverse (244442024042), we get a palindrome (484862268484).

The spelling of 240420244442 in words is "two hundred forty billion, four hundred twenty million, two hundred forty-four thousand, four hundred forty-two".