42489080 has 32 divisors (see below), whose sum is σ = 95804640. Its totient is φ = 16959360.

The previous prime is 42489071. The next prime is 42489091. The reversal of 42489080 is 8098424.

It is a self number, because there is not a number n which added to its sum of digits gives 42489080.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25637 + ... + 27243.

It is an arithmetic number, because the mean of its divisors is an integer number (2993895).

Almost surely, 2^42489080 is an apocalyptic number.

42489080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42489080 is an abundant number, since it is smaller than the sum of its proper divisors (53315560).

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

42489080 is a wasteful number, since it uses less digits than its factorization.

42489080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279 (or 2275 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 42489080 is about 6518.3648256292. The cubic root of 42489080 is about 348.9467109656.

The spelling of 42489080 in words is "forty-two million, four hundred eighty-nine thousand, eighty".