42160080 has 80 divisors (see below), whose sum is σ = 132116544. Its totient is φ = 11120640.

The previous prime is 42160067. The next prime is 42160091. The reversal of 42160080 is 8006124.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 22375 + ... + 24185.

Almost surely, 2^42160080 is an apocalyptic number.

42160080 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 42160080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66058272).

42160080 is an abundant number, since it is smaller than the sum of its proper divisors (89956464).

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

42160080 is a wasteful number, since it uses less digits than its factorization.

42160080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 42160080 is about 6493.0793927073. The cubic root of 42160080 is about 348.0437255138.

The spelling of 42160080 in words is "forty-two million, one hundred sixty thousand, eighty".