42503608436 has 12 divisors (see below), whose sum is σ = 74566807140. Its totient is φ = 21198806400.

The previous prime is 42503608423. The next prime is 42503608463. The reversal of 42503608436 is 63480630524.

42503608436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 20979784336 + 21523824100 = 144844^2 + 146710^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42503608393 and 42503608402.

It is a congruent number.

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, 13247651 + ... + 13250858.

It is an arithmetic number, because the mean of its divisors is an integer number (6213900595).

Almost surely, 2^42503608436 is an apocalyptic number.

It is an amenable number.

42503608436 is a deficient number, since it is larger than the sum of its proper divisors (32063198704).

42503608436 is a wasteful number, since it uses less digits than its factorization.

42503608436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26498914 (or 26498912 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 42503608436 in words is "forty-two billion, five hundred three million, six hundred eight thousand, four hundred thirty-six".