42452604506 has 16 divisors (see below), whose sum is σ = 70942019400. Its totient is φ = 18917871168.

The previous prime is 42452604503. The next prime is 42452604553. The reversal of 42452604506 is 60540625424.

It can be written as a sum of positive squares in 4 ways, for example, as 40230330625 + 2222273881 = 200575^2 + 47141^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42452604506.

It is not an unprimeable number, because it can be changed into a prime (42452604503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28150841 + ... + 28152348.

Almost surely, 2^42452604506 is an apocalyptic number.

42452604506 is a deficient number, since it is larger than the sum of its proper divisors (28489414894).

42452604506 is a wasteful number, since it uses less digits than its factorization.

42452604506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56303233.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 42452604506 in words is "forty-two billion, four hundred fifty-two million, six hundred four thousand, five hundred six".