42730773500 has 48 divisors (see below), whose sum is σ = 93449096832. Its totient is φ = 17069400000.

The previous prime is 42730773479. The next prime is 42730773509. The reversal of 42730773500 is 537703724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42730773509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318602 + ... + 432398.

It is an arithmetic number, because the mean of its divisors is an integer number (1946856184).

Almost surely, 2^42730773500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42730773500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46724548416).

42730773500 is an abundant number, since it is smaller than the sum of its proper divisors (50718323332).

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

42730773500 is a wasteful number, since it uses less digits than its factorization.

42730773500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114567 (or 114555 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 38.

The spelling of 42730773500 in words is "forty-two billion, seven hundred thirty million, seven hundred seventy-three thousand, five hundred".