42945881088 has 176 divisors, whose sum is σ = 125868294144. Its totient is φ = 12910141440.

The previous prime is 42945881063. The next prime is 42945881119. The reversal of 42945881088 is 88018854924.

It is a tau number, because it is divible by the number of its divisors (176).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4286581 + ... + 4296587.

Almost surely, 2^42945881088 is an apocalyptic number.

42945881088 is a gapful number since it is divisible by the number (48) 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 42945881088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62934147072).

42945881088 is an abundant number, since it is smaller than the sum of its proper divisors (82922413056).

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

42945881088 is a wasteful number, since it uses less digits than its factorization.

42945881088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10168 (or 10150 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 57.

The spelling of 42945881088 in words is "forty-two billion, nine hundred forty-five million, eight hundred eighty-one thousand, eighty-eight".