42240553173 has 48 divisors (see below), whose sum is σ = 75938204160. Its totient is φ = 22030348032.

The previous prime is 42240553163. The next prime is 42240553181. The reversal of 42240553173 is 37135504224.

It is not a de Polignac number, because 42240553173 - 2¹³ = 42240544981 is a prime.

It is a super-2 number, since 2×42240553173² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42240553163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216861 + ... + 362642.

It is an arithmetic number, because the mean of its divisors is an integer number (1582045920).

Almost surely, 2^42240553173 is an apocalyptic number.

It is an amenable number.

42240553173 is a deficient number, since it is larger than the sum of its proper divisors (33697650987).

42240553173 is a wasteful number, since it uses less digits than its factorization.

42240553173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579618 (or 579615 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 42240553173 in words is "forty-two billion, two hundred forty million, five hundred fifty-three thousand, one hundred seventy-three".