406264243321 has 16 divisors (see below), whose sum is σ = 412146180864. Its totient is φ = 400434263424.

The previous prime is 406264243291. The next prime is 406264243327. The reversal of 406264243321 is 123342462604.

It is a cyclic number.

It is not a de Polignac number, because 406264243321 - 2¹³ = 406264235129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406264243327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11582416 + ... + 11617438.

It is an arithmetic number, because the mean of its divisors is an integer number (25759136304).

Almost surely, 2^406264243321 is an apocalyptic number.

It is an amenable number.

406264243321 is a deficient number, since it is larger than the sum of its proper divisors (5881937543).

406264243321 is a wasteful number, since it uses less digits than its factorization.

406264243321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35760.

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 406264243321 in words is "four hundred six billion, two hundred sixty-four million, two hundred forty-three thousand, three hundred twenty-one".