42769221380 has 12 divisors (see below), whose sum is σ = 89815364940. Its totient is φ = 17107688544.

The previous prime is 42769221353. The next prime is 42769221389. The reversal of 42769221380 is 8312296724.

42769221380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16584803524 + 26184417856 = 128782^2 + 161816^2 .

It is not an unprimeable number, because it can be changed into a prime (42769221389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069230515 + ... + 1069230554.

It is an arithmetic number, because the mean of its divisors is an integer number (7484613745).

Almost surely, 2^42769221380 is an apocalyptic number.

It is an amenable number.

42769221380 is an abundant number, since it is smaller than the sum of its proper divisors (47046143560).

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

42769221380 is a wasteful number, since it uses less digits than its factorization.

42769221380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138461078 (or 2138461076 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 42769221380 in words is "forty-two billion, seven hundred sixty-nine million, two hundred twenty-one thousand, three hundred eighty".