426736560 has 40 divisors (see below), whose sum is σ = 1322884080. Its totient is φ = 113796352.

The previous prime is 426736559. The next prime is 426736571. The reversal of 426736560 is 65637624.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888795 + ... + 889274.

It is an arithmetic number, because the mean of its divisors is an integer number (33072102).

Almost surely, 2^426736560 is an apocalyptic number.

426736560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426736560 is an abundant number, since it is smaller than the sum of its proper divisors (896147520).

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

426736560 is a wasteful number, since it uses less digits than its factorization.

426736560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778085 (or 1778079 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 426736560 is about 20657.6029587172. The cubic root of 426736560 is about 752.8699284509.

The spelling of 426736560 in words is "four hundred twenty-six million, seven hundred thirty-six thousand, five hundred sixty".