426404666431445 has 16 divisors (see below), whose sum is σ = 551229041688192. Its totient is φ = 314778868138560.

The previous prime is 426404666431433. The next prime is 426404666431517. The reversal of 426404666431445 is 544134666404624.

It is not a de Polignac number, because 426404666431445 - 2¹⁴ = 426404666415061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089155297 + ... + 1089546726.

It is an arithmetic number, because the mean of its divisors is an integer number (34451815105512).

Almost surely, 2^{426404666431445} is an apocalyptic number.

It is an amenable number.

426404666431445 is a deficient number, since it is larger than the sum of its proper divisors (124824375256747).

426404666431445 is a wasteful number, since it uses less digits than its factorization.

426404666431445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178705052.

The product of its (nonzero) digits is 159252480, while the sum is 59.

The spelling of 426404666431445 in words is "four hundred twenty-six trillion, four hundred four billion, six hundred sixty-six million, four hundred thirty-one thousand, four hundred forty-five".