42730799880 has 32 divisors (see below), whose sum is σ = 128192400000. Its totient is φ = 11394879936.

The previous prime is 42730799831. The next prime is 42730799887. The reversal of 42730799880 is 8899703724.

It is a self number, because there is not a number n which added to its sum of digits gives 42730799880.

It is not an unprimeable number, because it can be changed into a prime (42730799887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178044880 + ... + 178045119.

It is an arithmetic number, because the mean of its divisors is an integer number (4006012500).

Almost surely, 2^42730799880 is an apocalyptic number.

42730799880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42730799880 is an abundant number, since it is smaller than the sum of its proper divisors (85461600120).

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

42730799880 is a wasteful number, since it uses less digits than its factorization.

42730799880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356090013 (or 356090009 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 42730799880 in words is "forty-two billion, seven hundred thirty million, seven hundred ninety-nine thousand, eight hundred eighty".