426042656331 has 16 divisors (see below), whose sum is σ = 571209408000. Its totient is φ = 282456450848.

The previous prime is 426042656321. The next prime is 426042656387. The reversal of 426042656331 is 133656240624.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 426042656331 - 2⁷ = 426042656203 is a prime.

It is a super-2 number, since 2×426042656331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426042656311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136131 + ... + 933068.

It is an arithmetic number, because the mean of its divisors is an integer number (35700588000).

Almost surely, 2^426042656331 is an apocalyptic number.

426042656331 is a deficient number, since it is larger than the sum of its proper divisors (145166751669).

426042656331 is a wasteful number, since it uses less digits than its factorization.

426042656331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069938.

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 426042656331 its reverse (133656240624), we get a palindrome (559698896955).

The spelling of 426042656331 in words is "four hundred twenty-six billion, forty-two million, six hundred fifty-six thousand, three hundred thirty-one".