42757106512 has 20 divisors (see below), whose sum is σ = 82875962836. Its totient is φ = 21369761280.

The previous prime is 42757106479. The next prime is 42757106591. The reversal of 42757106512 is 21560175724.

It can be written as a sum of positive squares in 2 ways, for example, as 33571034176 + 9186072336 = 183224^2 + 95844^2 .

It is a super-2 number, since 2×42757106512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 509289 + ... + 587272.

Almost surely, 2^42757106512 is an apocalyptic number.

It is an amenable number.

42757106512 is a deficient number, since it is larger than the sum of its proper divisors (40118856324).

42757106512 is a wasteful number, since it uses less digits than its factorization.

42757106512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099006 (or 1099000 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 42757106512 in words is "forty-two billion, seven hundred fifty-seven million, one hundred six thousand, five hundred twelve".