42153178672 has 80 divisors (see below), whose sum is σ = 89749568160. Its totient is φ = 19020646400.

The previous prime is 42153178657. The next prime is 42153178673. The reversal of 42153178672 is 27687135124.

It is not an unprimeable number, because it can be changed into a prime (42153178673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14489154 + ... + 14492062.

It is an arithmetic number, because the mean of its divisors is an integer number (1121869602).

Almost surely, 2^42153178672 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 42153178672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44874784080).

42153178672 is an abundant number, since it is smaller than the sum of its proper divisors (47596389488).

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

42153178672 is a wasteful number, since it uses less digits than its factorization.

42153178672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502 (or 3496 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The spelling of 42153178672 in words is "forty-two billion, one hundred fifty-three million, one hundred seventy-eight thousand, six hundred seventy-two".