2420042240442 has 8 divisors (see below), whose sum is σ = 4840084480896. Its totient is φ = 806680746812.

The previous prime is 2420042240431. The next prime is 2420042240621. The reversal of 2420042240442 is 2440422400242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2420042240442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201670186698 + ... + 201670186709.

It is an arithmetic number, because the mean of its divisors is an integer number (605010560112).

Almost surely, 2^{2420042240442} is an apocalyptic number.

2420042240442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2420042240442 is a wasteful number, since it uses less digits than its factorization.

2420042240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403340373412.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 2420042240442 its reverse (2440422400242), we get a palindrome (4860464640684).

The spelling of 2420042240442 in words is "two trillion, four hundred twenty billion, forty-two million, two hundred forty thousand, four hundred forty-two".