42445510205 has 48 divisors (see below), whose sum is σ = 59189625984. Its totient is φ = 28623767040.

The previous prime is 42445510171. The next prime is 42445510231. The reversal of 42445510205 is 50201554424.

It is not a de Polignac number, because 42445510205 - 2⁸ = 42445509949 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 47 ways as a sum of consecutive naturals, for example, 78457235 + ... + 78457775.

It is an arithmetic number, because the mean of its divisors is an integer number (1233117208).

Almost surely, 2^42445510205 is an apocalyptic number.

It is an amenable number.

42445510205 is a deficient number, since it is larger than the sum of its proper divisors (16744115779).

42445510205 is an equidigital number, since it uses as much as digits as its factorization.

42445510205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 42445510205 in words is "forty-two billion, four hundred forty-five million, five hundred ten thousand, two hundred five".