426402105142 has 16 divisors (see below), whose sum is σ = 688891220640. Its totient is φ = 196775880192.

The previous prime is 426402105139. The next prime is 426402105191. The reversal of 426402105142 is 241501204624.

It is a congruent number.

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, 836842 + ... + 1246237.

It is an arithmetic number, because the mean of its divisors is an integer number (43055701290).

Almost surely, 2^426402105142 is an apocalyptic number.

426402105142 is a deficient number, since it is larger than the sum of its proper divisors (262489115498).

426402105142 is a wasteful number, since it uses less digits than its factorization.

426402105142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090967.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 426402105142 its reverse (241501204624), we get a palindrome (667903309766).

The spelling of 426402105142 in words is "four hundred twenty-six billion, four hundred two million, one hundred five thousand, one hundred forty-two".