42904280 has 32 divisors (see below), whose sum is σ = 101617200. Its totient is φ = 16258176.

The previous prime is 42904271. The next prime is 42904297. The reversal of 42904280 is 8240924.

42904280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27467 + ... + 28986.

Almost surely, 2^42904280 is an apocalyptic number.

42904280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42904280 is an abundant number, since it is smaller than the sum of its proper divisors (58712920).

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

42904280 is a wasteful number, since it uses less digits than its factorization.

42904280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56483 (or 56479 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 42904280 is about 6550.1358764533. The cubic root of 42904280 is about 350.0796553395.

The spelling of 42904280 in words is "forty-two million, nine hundred four thousand, two hundred eighty".