42288802442 has 4 divisors (see below), whose sum is σ = 63433203666. Its totient is φ = 21144401220.

The previous prime is 42288802433. The next prime is 42288802453. The reversal of 42288802442 is 24420888224.

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., 40501965001 + 1786837441 = 201251^2 + 42271^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42288802393 and 42288802402.

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 as a sum of consecutive naturals, namely, 10572200609 + ... + 10572200612.

Almost surely, 2^42288802442 is an apocalyptic number.

42288802442 is a deficient number, since it is larger than the sum of its proper divisors (21144401224).

42288802442 is a wasteful number, since it uses less digits than its factorization.

42288802442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21144401223.

The product of its (nonzero) digits is 524288, while the sum is 44.

The spelling of 42288802442 in words is "forty-two billion, two hundred eighty-eight million, eight hundred two thousand, four hundred forty-two".