42261874937762 has 4 divisors (see below), whose sum is σ = 63392812406646. Its totient is φ = 21130937468880.

The previous prime is 42261874937753. The next prime is 42261874937767. The reversal of 42261874937762 is 26773947816224.

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

It can be written as a sum of positive squares in only one way, i.e., 36005268192721 + 6256606745041 = 6000439^2 + 2501321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42261874937692 and 42261874937701.

It is not an unprimeable number, because it can be changed into a prime (42261874937767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10565468734439 + ... + 10565468734442.

Almost surely, 2^{42261874937762} is an apocalyptic number.

42261874937762 is a deficient number, since it is larger than the sum of its proper divisors (21130937468884).

42261874937762 is a wasteful number, since it uses less digits than its factorization.

42261874937762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21130937468883.

The product of its digits is 341397504, while the sum is 68.

The spelling of 42261874937762 in words is "forty-two trillion, two hundred sixty-one billion, eight hundred seventy-four million, nine hundred thirty-seven thousand, seven hundred sixty-two".