4242400240442 has 32 divisors (see below), whose sum is σ = 7832302418304. Its totient is φ = 1678273848000.

The previous prime is 4242400240381. The next prime is 4242400240459. The reversal of 4242400240442 is 2440420042424.

It is a junction number, because it is equal to n+sod(n) for n = 4242400240399 and 4242400240408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8517692 + ... + 9001992.

It is an arithmetic number, because the mean of its divisors is an integer number (244759450572).

Almost surely, 2^{4242400240442} is an apocalyptic number.

4242400240442 is a deficient number, since it is larger than the sum of its proper divisors (3589902177862).

4242400240442 is a wasteful number, since it uses less digits than its factorization.

4242400240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532454.

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

Adding to 4242400240442 its reverse (2440420042424), we get a palindrome (6682820282866).

The spelling of 4242400240442 in words is "four trillion, two hundred forty-two billion, four hundred million, two hundred forty thousand, four hundred forty-two".