42304080 has 240 divisors, whose sum is σ = 163382400. Its totient is φ = 8865792.

The previous prime is 42304079. The next prime is 42304147. The reversal of 42304080 is 8040324.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 283846 + ... + 283994.

It is an arithmetic number, because the mean of its divisors is an integer number (680760).

Almost surely, 2^42304080 is an apocalyptic number.

42304080 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 42304080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81691200).

42304080 is an abundant number, since it is smaller than the sum of its proper divisors (121078320).

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

42304080 is a wasteful number, since it uses less digits than its factorization.

42304080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42304080 is about 6504.1586696513. The cubic root of 42304080 is about 348.4395291898.

The spelling of 42304080 in words is "forty-two million, three hundred four thousand, eighty".