42878764423124 has 192 divisors, whose sum is σ = 90516828326400. Its totient is φ = 17384619313152.

The previous prime is 42878764423087. The next prime is 42878764423141. The reversal of 42878764423124 is 42132446787824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26583238142 + ... + 26583239754.

It is an arithmetic number, because the mean of its divisors is an integer number (471441814200).

Almost surely, 2^{42878764423124} 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 42878764423124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45258414163200).

42878764423124 is an abundant number, since it is smaller than the sum of its proper divisors (47638063903276).

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

42878764423124 is a wasteful number, since it uses less digits than its factorization.

42878764423124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202 (or 3200 counting only the distinct ones).

The product of its digits is 115605504, while the sum is 62.

The spelling of 42878764423124 in words is "forty-two trillion, eight hundred seventy-eight billion, seven hundred sixty-four million, four hundred twenty-three thousand, one hundred twenty-four".