42424686815880 has 128 divisors (see below), whose sum is σ = 128015538912000. Its totient is φ = 11247346547712.

The previous prime is 42424686815867. The next prime is 42424686815897. The reversal of 42424686815880 is 8851868642424.

It is a super-3 number, since 3×42424686815880³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 759767322 + ... + 759823158.

It is an arithmetic number, because the mean of its divisors is an integer number (1000121397750).

Almost surely, 2^{42424686815880} is an apocalyptic number.

42424686815880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42424686815880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64007769456000).

42424686815880 is an abundant number, since it is smaller than the sum of its proper divisors (85590852096120).

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

42424686815880 is a wasteful number, since it uses less digits than its factorization.

42424686815880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92623 (or 92619 counting only the distinct ones).

The product of its (nonzero) digits is 188743680, while the sum is 66.

The spelling of 42424686815880 in words is "forty-two trillion, four hundred twenty-four billion, six hundred eighty-six million, eight hundred fifteen thousand, eight hundred eighty".