42758988680 has 16 divisors (see below), whose sum is σ = 96207724620. Its totient is φ = 17103595456.

The previous prime is 42758988677. The next prime is 42758988689. The reversal of 42758988680 is 8688985724.

It can be written as a sum of positive squares in 2 ways, for example, as 39504742564 + 3254246116 = 198758^2 + 57046^2 .

It is a super-2 number, since 2×42758988680² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42758988689) 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, 534487319 + ... + 534487398.

Almost surely, 2^42758988680 is an apocalyptic number.

42758988680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42758988680 is an abundant number, since it is smaller than the sum of its proper divisors (53448735940).

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

42758988680 is a wasteful number, since it uses less digits than its factorization.

42758988680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068974728 (or 1068974724 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 65.

The spelling of 42758988680 in words is "forty-two billion, seven hundred fifty-eight million, nine hundred eighty-eight thousand, six hundred eighty".