42354620085 has 32 divisors (see below), whose sum is σ = 68364541440. Its totient is φ = 22390820928.

The previous prime is 42354620069. The next prime is 42354620101. The reversal of 42354620085 is 58002645324.

42354620085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42354620069) and next prime (42354620101).

It is not a de Polignac number, because 42354620085 - 2⁴ = 42354620069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 903802 + ... + 949508.

It is an arithmetic number, because the mean of its divisors is an integer number (2136391920).

Almost surely, 2^42354620085 is an apocalyptic number.

It is an amenable number.

42354620085 is a deficient number, since it is larger than the sum of its proper divisors (26009921355).

42354620085 is a wasteful number, since it uses less digits than its factorization.

42354620085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46257.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 42354620085 in words is "forty-two billion, three hundred fifty-four million, six hundred twenty thousand, eighty-five".