42522043251 has 8 divisors (see below), whose sum is σ = 56697296320. Its totient is φ = 28347409512.

The previous prime is 42522043243. The next prime is 42522043283. The reversal of 42522043251 is 15234022524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42522043251 - 2³ = 42522043243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42522043231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 40620 + ... + 294438.

It is an arithmetic number, because the mean of its divisors is an integer number (7087162040).

Almost surely, 2^42522043251 is an apocalyptic number.

42522043251 is a deficient number, since it is larger than the sum of its proper divisors (14175253069).

42522043251 is a wasteful number, since it uses less digits than its factorization.

42522043251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309665.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 42522043251 its reverse (15234022524), we get a palindrome (57756065775).

The spelling of 42522043251 in words is "forty-two billion, five hundred twenty-two million, forty-three thousand, two hundred fifty-one".