426668280405 has 16 divisors (see below), whose sum is σ = 682690731840. Its totient is φ = 227549255168.

The previous prime is 426668280373. The next prime is 426668280421. The reversal of 426668280405 is 504082866624.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 426668280405 - 2⁵ = 426668280373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63826 + ... + 925964.

It is an arithmetic number, because the mean of its divisors is an integer number (42668170740).

Almost surely, 2^426668280405 is an apocalyptic number.

It is an amenable number.

426668280405 is a deficient number, since it is larger than the sum of its proper divisors (256022451435).

426668280405 is a wasteful number, since it uses less digits than its factorization.

426668280405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895140.

The product of its (nonzero) digits is 4423680, while the sum is 51.

The spelling of 426668280405 in words is "four hundred twenty-six billion, six hundred sixty-eight million, two hundred eighty thousand, four hundred five".