42781159548 has 72 divisors (see below), whose sum is σ = 109188398592. Its totient is φ = 14122708992.

The previous prime is 42781159543. The next prime is 42781159607. The reversal of 42781159548 is 84595118724.

42781159548 is a `hidden beast` number, since 4 + 2 + 7 + 8 + 1 + 1 + 595 + 48 = 666.

It is a super-2 number, since 2×42781159548² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42781159494 and 42781159503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42781159543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2629936 + ... + 2646152.

It is an arithmetic number, because the mean of its divisors is an integer number (1516505536).

Almost surely, 2^42781159548 is an apocalyptic number.

It is an amenable number.

42781159548 is an abundant number, since it is smaller than the sum of its proper divisors (66407239044).

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

42781159548 is a wasteful number, since it uses less digits than its factorization.

42781159548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16931 (or 16926 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The spelling of 42781159548 in words is "forty-two billion, seven hundred eighty-one million, one hundred fifty-nine thousand, five hundred forty-eight".