42078542964 has 96 divisors (see below), whose sum is σ = 108957434880. Its totient is φ = 12579038208.

The previous prime is 42078542921. The next prime is 42078542971. The reversal of 42078542964 is 46924587024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467307 + ... + 550029.

It is an arithmetic number, because the mean of its divisors is an integer number (1134973280).

Almost surely, 2^42078542964 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 42078542964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54478717440).

42078542964 is an abundant number, since it is smaller than the sum of its proper divisors (66878891916).

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

42078542964 is a wasteful number, since it uses less digits than its factorization.

42078542964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82869 (or 82867 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 42078542964 in words is "forty-two billion, seventy-eight million, five hundred forty-two thousand, nine hundred sixty-four".