42531524650 has 12 divisors (see below), whose sum is σ = 79108635942. Its totient is φ = 17012609840.

The previous prime is 42531524621. The next prime is 42531524653. The reversal of 42531524650 is 5642513524.

It can be written as a sum of positive squares in 3 ways, for example, as 16433445249 + 26098079401 = 128193^2 + 161549^2 .

It is not an unprimeable number, because it can be changed into a prime (42531524653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 425315197 + ... + 425315296.

Almost surely, 2^42531524650 is an apocalyptic number.

42531524650 is a deficient number, since it is larger than the sum of its proper divisors (36577111292).

42531524650 is a wasteful number, since it uses less digits than its factorization.

42531524650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850630505 (or 850630500 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 42531524650 in words is "forty-two billion, five hundred thirty-one million, five hundred twenty-four thousand, six hundred fifty".