426263242 has 8 divisors (see below), whose sum is σ = 649876932. Its totient is φ = 209637600.

The previous prime is 426263239. The next prime is 426263311. The reversal of 426263242 is 242362624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 421932681 + 4330561 = 20541^2 + 2081^2 .

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

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, 1746859 + ... + 1747102.

Almost surely, 2^426263242 is an apocalyptic number.

426263242 is a deficient number, since it is larger than the sum of its proper divisors (223613690).

426263242 is a wasteful number, since it uses less digits than its factorization.

426263242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494024.

The product of its digits is 27648, while the sum is 31.

The square root of 426263242 is about 20646.1435139834. The cubic root of 426263242 is about 752.5914750664.

The spelling of 426263242 in words is "four hundred twenty-six million, two hundred sixty-three thousand, two hundred forty-two".