426944650 has 72 divisors (see below), whose sum is σ = 885193344. Its totient is φ = 151936800.

The previous prime is 426944633. The next prime is 426944669. The reversal of 426944650 is 56449624.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1914439 + ... + 1914661.

It is an arithmetic number, because the mean of its divisors is an integer number (12294352).

Almost surely, 2^426944650 is an apocalyptic number.

426944650 is an abundant number, since it is smaller than the sum of its proper divisors (458248694).

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

426944650 is a wasteful number, since it uses less digits than its factorization.

426944650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 426944650 is about 20662.6389892482. The cubic root of 426944650 is about 752.9922828182.

The spelling of 426944650 in words is "four hundred twenty-six million, nine hundred forty-four thousand, six hundred fifty".