42531630323064 has 64 divisors (see below), whose sum is σ = 107675443908000. Its totient is φ = 13998143723520.

The previous prime is 42531630323059. The next prime is 42531630323107. The reversal of 42531630323064 is 46032303613524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12527757 + ... + 15556604.

Almost surely, 2^{42531630323064} is an apocalyptic number.

It is an amenable number.

42531630323064 is an abundant number, since it is smaller than the sum of its proper divisors (65143813584936).

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

42531630323064 is a wasteful number, since it uses less digits than its factorization.

42531630323064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28085168 (or 28085164 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 42.

Adding to 42531630323064 its reverse (46032303613524), we get a palindrome (88563933936588).

The spelling of 42531630323064 in words is "forty-two trillion, five hundred thirty-one billion, six hundred thirty million, three hundred twenty-three thousand, sixty-four".