42165554350 has 24 divisors (see below), whose sum is σ = 78433506720. Its totient is φ = 16865022720.

The previous prime is 42165554329. The next prime is 42165554351. The reversal of 42165554350 is 5345556124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42165554351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1108446 + ... + 1145854.

It is an arithmetic number, because the mean of its divisors is an integer number (3268062780).

Almost surely, 2^42165554350 is an apocalyptic number.

42165554350 is a deficient number, since it is larger than the sum of its proper divisors (36267952370).

42165554350 is a wasteful number, since it uses less digits than its factorization.

42165554350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59964 (or 59959 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 42165554350 in words is "forty-two billion, one hundred sixty-five million, five hundred fifty-four thousand, three hundred fifty".