42531244635 has 32 divisors (see below), whose sum is σ = 74258249472. Its totient is φ = 20615127680.

The previous prime is 42531244633. The next prime is 42531244661. The reversal of 42531244635 is 53644213524.

It is not a de Polignac number, because 42531244635 - 2¹ = 42531244633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42531244593 and 42531244602.

It is not an unprimeable number, because it can be changed into a prime (42531244631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550672 + ... + 623138.

It is an arithmetic number, because the mean of its divisors is an integer number (2320570296).

Almost surely, 2^42531244635 is an apocalyptic number.

42531244635 is a deficient number, since it is larger than the sum of its proper divisors (31727004837).

42531244635 is a wasteful number, since it uses less digits than its factorization.

42531244635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76043.

The product of its digits is 345600, while the sum is 39.

The spelling of 42531244635 in words is "forty-two billion, five hundred thirty-one million, two hundred forty-four thousand, six hundred thirty-five".