42684927620 has 12 divisors (see below), whose sum is σ = 89638348044. Its totient is φ = 17073971040.

The previous prime is 42684927589. The next prime is 42684927631. The reversal of 42684927620 is 2672948624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18050997316 + 24633930304 = 134354^2 + 156952^2 .

It is a super-3 number, since 3×42684927620³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067123171 + ... + 1067123210.

It is an arithmetic number, because the mean of its divisors is an integer number (7469862337).

Almost surely, 2^42684927620 is an apocalyptic number.

It is an amenable number.

42684927620 is an abundant number, since it is smaller than the sum of its proper divisors (46953420424).

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

42684927620 is a wasteful number, since it uses less digits than its factorization.

42684927620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134246390 (or 2134246388 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 42684927620 in words is "forty-two billion, six hundred eighty-four million, nine hundred twenty-seven thousand, six hundred twenty".