42116544500 has 24 divisors (see below), whose sum is σ = 91982534280. Its totient is φ = 16846617600.

The previous prime is 42116544467. The next prime is 42116544523. The reversal of 42116544500 is 544561124.

It can be written as a sum of positive squares in 4 ways, for example, as 6752237584 + 35364306916 = 82172^2 + 188054^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42116045 + ... + 42117044.

It is an arithmetic number, because the mean of its divisors is an integer number (3832605595).

Almost surely, 2^42116544500 is an apocalyptic number.

It is an amenable number.

42116544500 is an abundant number, since it is smaller than the sum of its proper divisors (49865989780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42116544500 is a wasteful number, since it uses less digits than its factorization.

42116544500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84233108 (or 84233096 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 42116544500 in words is "forty-two billion, one hundred sixteen million, five hundred forty-four thousand, five hundred".