426405411 has 16 divisors (see below), whose sum is σ = 635209120. Its totient is φ = 282696480.

The previous prime is 426405409. The next prime is 426405437. The reversal of 426405411 is 114504624.

426405411 is a `hidden beast` number, since 4 + 2 + 640 + 5 + 4 + 11 = 666.

It is not a de Polignac number, because 426405411 - 2¹ = 426405409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426405401) 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, 38740 + ... + 48513.

It is an arithmetic number, because the mean of its divisors is an integer number (39700570).

Almost surely, 2^426405411 is an apocalyptic number.

426405411 is a deficient number, since it is larger than the sum of its proper divisors (208803709).

426405411 is a wasteful number, since it uses less digits than its factorization.

426405411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87443 (or 87437 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 426405411 is about 20649.5862186146. The cubic root of 426405411 is about 752.6751348599.

The spelling of 426405411 in words is "four hundred twenty-six million, four hundred five thousand, four hundred eleven".