426019968 has 96 divisors (see below), whose sum is σ = 1337403600. Its totient is φ = 129093120.

The previous prime is 426019933. The next prime is 426019981. The reversal of 426019968 is 869910624.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4138 + ... + 29481.

Almost surely, 2^426019968 is an apocalyptic number.

426019968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426019968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668701800).

426019968 is an abundant number, since it is smaller than the sum of its proper divisors (911383632).

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

426019968 is a wasteful number, since it uses less digits than its factorization.

426019968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33650 (or 33635 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 426019968 is about 20640.2511612625. The cubic root of 426019968 is about 752.4482765595.

The spelling of 426019968 in words is "four hundred twenty-six million, nineteen thousand, nine hundred sixty-eight".