42269525768 has 12 divisors (see below), whose sum is σ = 79256451165. Its totient is φ = 21134472128.

The previous prime is 42269525731. The next prime is 42269525773. The reversal of 42269525768 is 86752596224.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 33072332164 + 9197193604 = 181858^2 + 95902^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=145378.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 545168 + ... + 617856.

Almost surely, 2^42269525768 is an apocalyptic number.

It is an amenable number.

42269525768 is a deficient number, since it is larger than the sum of its proper divisors (36986925397).

42269525768 is an frugal number, since it uses more digits than its factorization.

42269525768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145384 (or 72691 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 56.

The spelling of 42269525768 in words is "forty-two billion, two hundred sixty-nine million, five hundred twenty-five thousand, seven hundred sixty-eight".