426565494 has 16 divisors (see below), whose sum is σ = 947923440. Its totient is φ = 142188480.

The previous prime is 426565493. The next prime is 426565511. The reversal of 426565494 is 494565624.

426565494 is a `hidden beast` number, since 42 + 6 + 565 + 49 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426565493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3949627 + ... + 3949734.

It is an arithmetic number, because the mean of its divisors is an integer number (59245215).

Almost surely, 2^426565494 is an apocalyptic number.

426565494 is an abundant number, since it is smaller than the sum of its proper divisors (521357946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426565494 is a wasteful number, since it uses less digits than its factorization.

426565494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7899372 (or 7899366 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 426565494 is about 20653.4620342450. The cubic root of 426565494 is about 752.7693139481.

The spelling of 426565494 in words is "four hundred twenty-six million, five hundred sixty-five thousand, four hundred ninety-four".