426560446 has 32 divisors (see below), whose sum is σ = 700146720. Its totient is φ = 193729536.

The previous prime is 426560443. The next prime is 426560503. The reversal of 426560446 is 644065624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426560441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779545 + ... + 780091.

It is an arithmetic number, because the mean of its divisors is an integer number (21879585).

Almost surely, 2^426560446 is an apocalyptic number.

426560446 is a deficient number, since it is larger than the sum of its proper divisors (273586274).

426560446 is a wasteful number, since it uses less digits than its factorization.

426560446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 426560446 is about 20653.3398267689. The cubic root of 426560446 is about 752.7663444983.

Subtracting from 426560446 its product of nonzero digits (138240), we obtain a triangular number (426422206 = T₂₉₂₀₃).

The spelling of 426560446 in words is "four hundred twenty-six million, five hundred sixty thousand, four hundred forty-six".