42559062780 has 192 divisors, whose sum is σ = 133612472448. Its totient is φ = 10052812800.

The previous prime is 42559062757. The next prime is 42559062869. The reversal of 42559062780 is 8726095524.

It is a super-2 number, since 2×42559062780² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2096680 + ... + 2116880.

It is an arithmetic number, because the mean of its divisors is an integer number (695898294).

Almost surely, 2^42559062780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42559062780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66806236224).

42559062780 is an abundant number, since it is smaller than the sum of its proper divisors (91053409668).

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

42559062780 is a wasteful number, since it uses less digits than its factorization.

42559062780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20336 (or 20334 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 42559062780 in words is "forty-two billion, five hundred fifty-nine million, sixty-two thousand, seven hundred eighty".