426540555 has 96 divisors (see below), whose sum is σ = 891596160. Its totient is φ = 184504320.

The previous prime is 426540553. The next prime is 426540593. The reversal of 426540555 is 555045624.

426540555 is a `hidden beast` number, since 4 + 2 + 65 + 40 + 555 = 666.

It is not a de Polignac number, because 426540555 - 2¹ = 426540553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426540553) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 483715 + ... + 484595.

It is an arithmetic number, because the mean of its divisors is an integer number (9287460).

Almost surely, 2^426540555 is an apocalyptic number.

426540555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

426540555 is an abundant number, since it is smaller than the sum of its proper divisors (465055605).

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

426540555 is a wasteful number, since it uses less digits than its factorization.

426540555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 426540555 is about 20652.8582767616. The cubic root of 426540555 is about 752.7546435321.

The spelling of 426540555 in words is "four hundred twenty-six million, five hundred forty thousand, five hundred fifty-five".