42157875124 has 12 divisors (see below), whose sum is σ = 73781774500. Its totient is φ = 21077368128.

The previous prime is 42157875107. The next prime is 42157875191.

42157875124 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 18586414224 + 23571460900 = 136332^2 + 153530^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330849 + ... + 440200.

Almost surely, 2^42157875124 is an apocalyptic number.

It is an amenable number.

42157875124 is a deficient number, since it is larger than the sum of its proper divisors (31623899376).

42157875124 is a wasteful number, since it uses less digits than its factorization.

42157875124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784722 (or 784720 counting only the distinct ones).

The product of its digits is 627200, while the sum is 46.

The spelling of 42157875124 in words is "forty-two billion, one hundred fifty-seven million, eight hundred seventy-five thousand, one hundred twenty-four".