42531502635 has 48 divisors (see below), whose sum is σ = 74078503200. Its totient is φ = 22573804032.

The previous prime is 42531502619. The next prime is 42531502661. The reversal of 42531502635 is 53620513524.

42531502635 is a `hidden beast` number, since 4 + 2 + 5 + 3 + 15 + 0 + 2 + 635 = 666.

It is not a de Polignac number, because 42531502635 - 2⁴ = 42531502619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42531502635.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9984136 + ... + 9988394.

It is an arithmetic number, because the mean of its divisors is an integer number (1543302150).

Almost surely, 2^42531502635 is an apocalyptic number.

42531502635 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42531502635 is a deficient number, since it is larger than the sum of its proper divisors (31547000565).

42531502635 is a wasteful number, since it uses less digits than its factorization.

42531502635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292 (or 5289 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 42531502635 in words is "forty-two billion, five hundred thirty-one million, five hundred two thousand, six hundred thirty-five".