426665440210415 has 32 divisors (see below), whose sum is σ = 595687186920960. Its totient is φ = 287308054433664.

The previous prime is 426665440210397. The next prime is 426665440210447. The reversal of 426665440210415 is 514012044566624.

It is a cyclic number.

It is not a de Polignac number, because 426665440210415 - 2¹⁰ = 426665440209391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107135072 + ... + 111046181.

It is an arithmetic number, because the mean of its divisors is an integer number (18615224591280).

Almost surely, 2^{426665440210415} is an apocalyptic number.

426665440210415 is a deficient number, since it is larger than the sum of its proper divisors (169021746710545).

426665440210415 is a wasteful number, since it uses less digits than its factorization.

426665440210415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218182271.

The product of its (nonzero) digits is 5529600, while the sum is 50.

The spelling of 426665440210415 in words is "four hundred twenty-six trillion, six hundred sixty-five billion, four hundred forty million, two hundred ten thousand, four hundred fifteen".