42565454522 has 8 divisors (see below), whose sum is σ = 67603957236. Its totient is φ = 20030802112.

The previous prime is 42565454507. The next prime is 42565454527. The reversal of 42565454522 is 22545456524.

42565454522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42444652441 + 120802081 = 206021^2 + 10991^2 .

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

It is a super-3 number, since 3×42565454522³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42565454527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625962533 + ... + 625962600.

Almost surely, 2^42565454522 is an apocalyptic number.

42565454522 is a deficient number, since it is larger than the sum of its proper divisors (25038502714).

42565454522 is a wasteful number, since it uses less digits than its factorization.

42565454522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251925152.

The product of its digits is 1920000, while the sum is 44.

The spelling of 42565454522 in words is "forty-two billion, five hundred sixty-five million, four hundred fifty-four thousand, five hundred twenty-two".