42602357538 has 128 divisors (see below), whose sum is σ = 105696460800. Its totient is φ = 12630945600.

The previous prime is 42602357513. The next prime is 42602357557. The reversal of 42602357538 is 83575320624.

42602357538 is a `hidden beast` number, since 4 + 2 + 60 + 2 + 3 + 57 + 538 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42602357493 and 42602357502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5197023 + ... + 5205213.

It is an arithmetic number, because the mean of its divisors is an integer number (825753600).

Almost surely, 2^42602357538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42602357538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52848230400).

42602357538 is an abundant number, since it is smaller than the sum of its proper divisors (63094103262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42602357538 is a wasteful number, since it uses less digits than its factorization.

42602357538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8485 (or 8479 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 42602357538 in words is "forty-two billion, six hundred two million, three hundred fifty-seven thousand, five hundred thirty-eight".