42664435124 has 24 divisors (see below), whose sum is σ = 75409996200. Its totient is φ = 21119045760.

The previous prime is 42664435123. The next prime is 42664435129. The reversal of 42664435124 is 42153446624.

It can be written as a sum of positive squares in 4 ways, for example, as 16111732624 + 26552702500 = 126932^2 + 162950^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42664435123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496034 + ... + 575654.

It is an arithmetic number, because the mean of its divisors is an integer number (3142083175).

Almost surely, 2^42664435124 is an apocalyptic number.

It is an amenable number.

42664435124 is a deficient number, since it is larger than the sum of its proper divisors (32745561076).

42664435124 is a wasteful number, since it uses less digits than its factorization.

42664435124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80963 (or 80961 counting only the distinct ones).

The product of its digits is 552960, while the sum is 41.

The spelling of 42664435124 in words is "forty-two billion, six hundred sixty-four million, four hundred thirty-five thousand, one hundred twenty-four".