42664326055 has 16 divisors (see below), whose sum is σ = 58037303520. Its totient is φ = 29847754368.

The previous prime is 42664326049. The next prime is 42664326083. The reversal of 42664326055 is 55062346624.

It is a cyclic number.

It is not a de Polignac number, because 42664326055 - 2¹³ = 42664317863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17271772 + ... + 17274241.

It is an arithmetic number, because the mean of its divisors is an integer number (3627331470).

Almost surely, 2^42664326055 is an apocalyptic number.

42664326055 is a deficient number, since it is larger than the sum of its proper divisors (15372977465).

42664326055 is a wasteful number, since it uses less digits than its factorization.

42664326055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34546050.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 42664326055 in words is "forty-two billion, six hundred sixty-four million, three hundred twenty-six thousand, fifty-five".