42735231180 has 96 divisors (see below), whose sum is σ = 133445114880. Its totient is φ = 11353970880.

The previous prime is 42735231179. The next prime is 42735231181. The reversal of 42735231180 is 8113253724.

42735231180 is a `hidden beast` number, since 42 + 7 + 3 + 523 + 11 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (42735231179) and next prime (42735231181).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42735231181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327 + ... + 292353.

It is an arithmetic number, because the mean of its divisors is an integer number (1390053280).

Almost surely, 2^42735231180 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 42735231180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66722557440).

42735231180 is an abundant number, since it is smaller than the sum of its proper divisors (90709883700).

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

42735231180 is a wasteful number, since it uses less digits than its factorization.

42735231180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292316 (or 292308 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 42735231180 in words is "forty-two billion, seven hundred thirty-five million, two hundred thirty-one thousand, one hundred eighty".