42550205524 has 6 divisors (see below), whose sum is σ = 74462859674. Its totient is φ = 21275102760.

The previous prime is 42550205521. The next prime is 42550205549.

42550205524 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 21794616900 + 20755588624 = 147630^2 + 144068^2 .

It is a super-2 number, since 2×42550205524² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42550205524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42550205521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5318775687 + ... + 5318775694.

Almost surely, 2^42550205524 is an apocalyptic number.

It is an amenable number.

42550205524 is a deficient number, since it is larger than the sum of its proper divisors (31912654150).

42550205524 is a wasteful number, since it uses less digits than its factorization.

42550205524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10637551385 (or 10637551383 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 34.

The spelling of 42550205524 in words is "forty-two billion, five hundred fifty million, two hundred five thousand, five hundred twenty-four".