426768080 has 20 divisors (see below), whose sum is σ = 992235972. Its totient is φ = 170707200.

The previous prime is 426768061. The next prime is 426768107. The reversal of 426768080 is 80867624.

It can be written as a sum of positive squares in 2 ways, for example, as 310041664 + 116726416 = 17608^2 + 10804^2 .

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, 2667221 + ... + 2667380.

Almost surely, 2^426768080 is an apocalyptic number.

426768080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426768080 is an abundant number, since it is smaller than the sum of its proper divisors (565467892).

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

426768080 is a wasteful number, since it uses less digits than its factorization.

426768080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334614 (or 5334608 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 426768080 is about 20658.3658598641. The cubic root of 426768080 is about 752.8884643800. Note that the first 3 decimals are identical.

The spelling of 426768080 in words is "four hundred twenty-six million, seven hundred sixty-eight thousand, eighty".