42773723880 has 32 divisors (see below), whose sum is σ = 128321172000. Its totient is φ = 11406326336.

The previous prime is 42773723849. The next prime is 42773723887. The reversal of 42773723880 is 8832737724.

It is not an unprimeable number, because it can be changed into a prime (42773723887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178223730 + ... + 178223969.

It is an arithmetic number, because the mean of its divisors is an integer number (4010036625).

Almost surely, 2^42773723880 is an apocalyptic number.

42773723880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42773723880 is an abundant number, since it is smaller than the sum of its proper divisors (85547448120).

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

42773723880 is a wasteful number, since it uses less digits than its factorization.

42773723880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356447713 (or 356447709 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 51.

The spelling of 42773723880 in words is "forty-two billion, seven hundred seventy-three million, seven hundred twenty-three thousand, eight hundred eighty".