426655254431242 has 8 divisors (see below), whose sum is σ = 640500248571876. Its totient is φ = 213155171573952.

The previous prime is 426655254431227. The next prime is 426655254431261. The reversal of 426655254431242 is 242134452556624.

It can be written as a sum of positive squares in 2 ways, for example, as 393255512310241 + 33399742121001 = 19830671^2 + 5779251^2 .

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

It is a super-2 number, since 2×426655254431242² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86227817743 + ... + 86227822690.

Almost surely, 2^{426655254431242} is an apocalyptic number.

426655254431242 is a deficient number, since it is larger than the sum of its proper divisors (213844994140634).

426655254431242 is a wasteful number, since it uses less digits than its factorization.

426655254431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172455641672.

The product of its digits is 55296000, while the sum is 55.

The spelling of 426655254431242 in words is "four hundred twenty-six trillion, six hundred fifty-five billion, two hundred fifty-four million, four hundred thirty-one thousand, two hundred forty-two".