426388262346 has 24 divisors (see below), whose sum is σ = 964008246240. Its totient is φ = 135949880616.

The previous prime is 426388262299. The next prime is 426388262351. The reversal of 426388262346 is 643262883624.

426388262346 is a `hidden beast` number, since 4 + 2 + 6 + 3 + 8 + 8 + 2 + 623 + 4 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 426388262292 and 426388262301.

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 11 ways as a sum of consecutive naturals, for example, 514961256 + ... + 514962083.

It is an arithmetic number, because the mean of its divisors is an integer number (40167010260).

Almost surely, 2^426388262346 is an apocalyptic number.

426388262346 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

426388262346 is an abundant number, since it is smaller than the sum of its proper divisors (537619983894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426388262346 is a wasteful number, since it uses less digits than its factorization.

426388262346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029923370 (or 1029923367 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 54.

The spelling of 426388262346 in words is "four hundred twenty-six billion, three hundred eighty-eight million, two hundred sixty-two thousand, three hundred forty-six".