426506655 has 16 divisors (see below), whose sum is σ = 682837344. Its totient is φ = 227328000.

The previous prime is 426506651. The next prime is 426506677. The reversal of 426506655 is 556605624.

It is a happy number.

It is not a de Polignac number, because 426506655 - 2² = 426506651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426506651) 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, 18655 + ... + 34655.

It is an arithmetic number, because the mean of its divisors is an integer number (42677334).

Almost surely, 2^426506655 is an apocalyptic number.

426506655 is a deficient number, since it is larger than the sum of its proper divisors (256330689).

426506655 is a wasteful number, since it uses less digits than its factorization.

426506655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17786.

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 426506655 is about 20652.0375508084. The cubic root of 426506655 is about 752.7347008731.

The spelling of 426506655 in words is "four hundred twenty-six million, five hundred six thousand, six hundred fifty-five".