42048642 has 32 divisors (see below), whose sum is σ = 86226624. Its totient is φ = 13665600.

The previous prime is 42048641. The next prime is 42048647. The reversal of 42048642 is 24684024.

It is not an unprimeable number, because it can be changed into a prime (42048641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47508 + ... + 48384.

It is an arithmetic number, because the mean of its divisors is an integer number (2694582).

Almost surely, 2^42048642 is an apocalyptic number.

42048642 is an abundant number, since it is smaller than the sum of its proper divisors (44177982).

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

42048642 is a wasteful number, since it uses less digits than its factorization.

42048642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074.

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 42048642 is about 6484.4924242380. The cubic root of 42048642 is about 347.7368038988.

The spelling of 42048642 in words is "forty-two million, forty-eight thousand, six hundred forty-two".