42531611464 has 32 divisors (see below), whose sum is σ = 80752830840. Its totient is φ = 20998656000.

The previous prime is 42531611453. The next prime is 42531611467. The reversal of 42531611464 is 46411613524.

It can be written as a sum of positive squares in 4 ways, for example, as 36732788964 + 5798822500 = 191658^2 + 76150^2 .

It is not an unprimeable number, because it can be changed into a prime (42531611467) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 230824 + ... + 371944.

Almost surely, 2^42531611464 is an apocalyptic number.

It is an amenable number.

42531611464 is a deficient number, since it is larger than the sum of its proper divisors (38221219376).

42531611464 is a wasteful number, since it uses less digits than its factorization.

42531611464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141601 (or 141597 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The spelling of 42531611464 in words is "forty-two billion, five hundred thirty-one million, six hundred eleven thousand, four hundred sixty-four".