42345520455 has 96 divisors (see below), whose sum is σ = 82547265024. Its totient is φ = 18447416064.

The previous prime is 42345520453. The next prime is 42345520517. The reversal of 42345520455 is 55402554324.

It is not a de Polignac number, because 42345520455 - 2¹ = 42345520453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42345520453) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4678164 + ... + 4687206.

It is an arithmetic number, because the mean of its divisors is an integer number (859867344).

Almost surely, 2^42345520455 is an apocalyptic number.

42345520455 is a deficient number, since it is larger than the sum of its proper divisors (40201744569).

42345520455 is a wasteful number, since it uses less digits than its factorization.

42345520455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9365 (or 9358 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 39.

The spelling of 42345520455 in words is "forty-two billion, three hundred forty-five million, five hundred twenty thousand, four hundred fifty-five".