426644134 has 32 divisors (see below), whose sum is σ = 757426176. Its totient is φ = 176376960.

The previous prime is 426644131. The next prime is 426644147. The reversal of 426644134 is 431446624.

It is a self number, because there is not a number n which added to its sum of digits gives 426644134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426644131) 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, 149182 + ... + 152014.

It is an arithmetic number, because the mean of its divisors is an integer number (23669568).

Almost surely, 2^426644134 is an apocalyptic number.

426644134 is a deficient number, since it is larger than the sum of its proper divisors (330782042).

426644134 is a wasteful number, since it uses less digits than its factorization.

426644134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220.

The product of its digits is 55296, while the sum is 34.

The square root of 426644134 is about 20655.3657435544. The cubic root of 426644134 is about 752.8155703395.

It can be divided in two parts, 4266 and 44134, that added together give a square (48400 = 220²).

The spelling of 426644134 in words is "four hundred twenty-six million, six hundred forty-four thousand, one hundred thirty-four".