42078048 has 24 divisors (see below), whose sum is σ = 110455128. Its totient is φ = 14025984.

The previous prime is 42077999. The next prime is 42078059. The reversal of 42078048 is 84087024.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219061 + ... + 219252.

It is an arithmetic number, because the mean of its divisors is an integer number (4602297).

Almost surely, 2^42078048 is an apocalyptic number.

42078048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42078048 is an abundant number, since it is smaller than the sum of its proper divisors (68377080).

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

42078048 is a wasteful number, since it uses less digits than its factorization.

42078048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438326 (or 438318 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 42078048 is about 6486.7594375004. The cubic root of 42078048 is about 347.8178462758.

The spelling of 42078048 in words is "forty-two million, seventy-eight thousand, forty-eight".