426519920 has 20 divisors (see below), whose sum is σ = 991659000. Its totient is φ = 170607936.

The previous prime is 426519901. The next prime is 426519931. The reversal of 426519920 is 29915624.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2665670 + ... + 2665829.

It is an arithmetic number, because the mean of its divisors is an integer number (49582950).

Almost surely, 2^426519920 is an apocalyptic number.

426519920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426519920 is an abundant number, since it is smaller than the sum of its proper divisors (565139080).

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

426519920 is a wasteful number, since it uses less digits than its factorization.

426519920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331512 (or 5331506 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 426519920 is about 20652.3587030634. The cubic root of 426519920 is about 752.7425045202.

The spelling of 426519920 in words is "four hundred twenty-six million, five hundred nineteen thousand, nine hundred twenty".