42505460645 has 16 divisors (see below), whose sum is σ = 51646298112. Its totient is φ = 33579633600.

The previous prime is 42505460609. The next prime is 42505460653. The reversal of 42505460645 is 54606450524.

It is not a de Polignac number, because 42505460645 - 2²⁴ = 42488683429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83534 + ... + 303296.

It is an arithmetic number, because the mean of its divisors is an integer number (3227893632).

Almost surely, 2^42505460645 is an apocalyptic number.

It is an amenable number.

42505460645 is a deficient number, since it is larger than the sum of its proper divisors (9140837467).

42505460645 is a wasteful number, since it uses less digits than its factorization.

42505460645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220252.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 42505460645 in words is "forty-two billion, five hundred five million, four hundred sixty thousand, six hundred forty-five".