426464226242 has 4 divisors (see below), whose sum is σ = 639696339366. Its totient is φ = 213232113120.

The previous prime is 426464226241. The next prime is 426464226247. The reversal of 426464226242 is 242622464624.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 422342714641 + 4121511601 = 649879^2 + 64199^2 .

It is a super-2 number, since 2×426464226242² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 426464226193 and 426464226202.

It is not an unprimeable number, because it can be changed into a prime (426464226241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106616056559 + ... + 106616056562.

Almost surely, 2^426464226242 is an apocalyptic number.

426464226242 is a deficient number, since it is larger than the sum of its proper divisors (213232113124).

426464226242 is a wasteful number, since it uses less digits than its factorization.

426464226242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213232113123.

The product of its digits is 1769472, while the sum is 44.

The spelling of 426464226242 in words is "four hundred twenty-six billion, four hundred sixty-four million, two hundred twenty-six thousand, two hundred forty-two".