42606220447 has 12 divisors (see below), whose sum is σ = 49821837696. Its totient is φ = 36328407360.

The previous prime is 42606220429. The next prime is 42606220453. The reversal of 42606220447 is 74402260624.

It is not a de Polignac number, because 42606220447 - 2²⁷ = 42472002719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42606220457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2266858 + ... + 2285575.

It is an arithmetic number, because the mean of its divisors is an integer number (4151819808).

Almost surely, 2^42606220447 is an apocalyptic number.

42606220447 is a deficient number, since it is larger than the sum of its proper divisors (7215617249).

42606220447 is a wasteful number, since it uses less digits than its factorization.

42606220447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552638 (or 4552631 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 42606220447 in words is "forty-two billion, six hundred six million, two hundred twenty thousand, four hundred forty-seven".