426644544 has 56 divisors (see below), whose sum is σ = 1188252640. Its totient is φ = 134728704.

The previous prime is 426644507. The next prime is 426644557. The reversal of 426644544 is 445446624.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54829 + ... + 62124.

Almost surely, 2^426644544 is an apocalyptic number.

It is an amenable number.

426644544 is an abundant number, since it is smaller than the sum of its proper divisors (761608096).

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

426644544 is a wasteful number, since it uses less digits than its factorization.

426644544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116987 (or 116977 counting only the distinct ones).

The product of its digits is 368640, while the sum is 39.

The square root of 426644544 is about 20655.3756683339. The cubic root of 426644544 is about 752.8158114884.

The spelling of 426644544 in words is "four hundred twenty-six million, six hundred forty-four thousand, five hundred forty-four".