2421004340442 has 16 divisors (see below), whose sum is σ = 5126832721152. Its totient is φ = 759530773440.

The previous prime is 2421004340411. The next prime is 2421004340453. The reversal of 2421004340442 is 2440434001242.

It is a super-2 number, since 2×2421004340442² (a number of 26 digits) contains 22 as substring.

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, 11867668234 + ... + 11867668437.

It is an arithmetic number, because the mean of its divisors is an integer number (320427045072).

Almost surely, 2^{2421004340442} is an apocalyptic number.

2421004340442 is an abundant number, since it is smaller than the sum of its proper divisors (2705828380710).

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

2421004340442 is a wasteful number, since it uses less digits than its factorization.

2421004340442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23735336693.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 2421004340442 its reverse (2440434001242), we get a palindrome (4861438341684).

The spelling of 2421004340442 in words is "two trillion, four hundred twenty-one billion, four million, three hundred forty thousand, four hundred forty-two".