42524430052 has 12 divisors (see below), whose sum is σ = 80142195196. Its totient is φ = 19626660000.

The previous prime is 42524430041. The next prime is 42524430097. The reversal of 42524430052 is 25003442524.

It can be written as a sum of positive squares in 2 ways, for example, as 24057250816 + 18467179236 = 155104^2 + 135894^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42524429996 and 42524430023.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408888699 + ... + 408888802.

Almost surely, 2^42524430052 is an apocalyptic number.

It is an amenable number.

42524430052 is a deficient number, since it is larger than the sum of its proper divisors (37617765144).

42524430052 is a wasteful number, since it uses less digits than its factorization.

42524430052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817777518 (or 817777516 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 42524430052 its reverse (25003442524), we get a palindrome (67527872576).

The spelling of 42524430052 in words is "forty-two billion, five hundred twenty-four million, four hundred thirty thousand, fifty-two".