42080000 has 90 divisors (see below), whose sum is σ = 105360024. Its totient is φ = 16768000.

The previous prime is 42079987. The next prime is 42080011. The reversal of 42080000 is 8024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 159869 + ... + 160131.

Almost surely, 2^42080000 is an apocalyptic number.

42080000 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 42080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52680012).

42080000 is an abundant number, since it is smaller than the sum of its proper divisors (63280024).

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

42080000 is an frugal number, since it uses more digits than its factorization.

42080000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 42080000 is about 6486.9098960907. The cubic root of 42080000 is about 347.8232246141.

Adding to 42080000 its reverse (8024), we get a palindrome (42088024).

The spelling of 42080000 in words is "forty-two million, eighty thousand".