42752020402142 has 4 divisors (see below), whose sum is σ = 64128030603216. Its totient is φ = 21376010201070.

The previous prime is 42752020402141. The next prime is 42752020402159. The reversal of 42752020402142 is 24120402025724.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42752020402141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10688005100534 + ... + 10688005100537.

It is an arithmetic number, because the mean of its divisors is an integer number (16032007650804).

Almost surely, 2^{42752020402142} is an apocalyptic number.

42752020402142 is a deficient number, since it is larger than the sum of its proper divisors (21376010201074).

42752020402142 is a wasteful number, since it uses less digits than its factorization.

42752020402142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21376010201073.

The product of its (nonzero) digits is 71680, while the sum is 35.

Adding to 42752020402142 its reverse (24120402025724), we get a palindrome (66872422427866).

The spelling of 42752020402142 in words is "forty-two trillion, seven hundred fifty-two billion, twenty million, four hundred two thousand, one hundred forty-two".