42545022405 has 16 divisors (see below), whose sum is σ = 68465520000. Its totient is φ = 22559517248.

The previous prime is 42545022397. The next prime is 42545022491. The reversal of 42545022405 is 50422054524.

It is a cyclic number.

It is not a de Polignac number, because 42545022405 - 2³ = 42545022397 is a prime.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 8194905 + ... + 8200094.

It is an arithmetic number, because the mean of its divisors is an integer number (4279095000).

Almost surely, 2^42545022405 is an apocalyptic number.

It is an amenable number.

42545022405 is a deficient number, since it is larger than the sum of its proper divisors (25920497595).

42545022405 is a wasteful number, since it uses less digits than its factorization.

42545022405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16395180.

The product of its (nonzero) digits is 64000, while the sum is 33.

Adding to 42545022405 its reverse (50422054524), we get a palindrome (92967076929).

The spelling of 42545022405 in words is "forty-two billion, five hundred forty-five million, twenty-two thousand, four hundred five".