42842512 has 20 divisors (see below), whose sum is σ = 85870620. Its totient is φ = 20682368.

The previous prime is 42842509. The next prime is 42842531. The reversal of 42842512 is 21524824.

It can be written as a sum of positive squares in 2 ways, for example, as 8549776 + 34292736 = 2924^2 + 5856^2 .

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, 45703 + ... + 46630.

It is an arithmetic number, because the mean of its divisors is an integer number (4293531).

Almost surely, 2^42842512 is an apocalyptic number.

It is an amenable number.

42842512 is an abundant number, since it is smaller than the sum of its proper divisors (43028108).

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

42842512 is a wasteful number, since it uses less digits than its factorization.

42842512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92370 (or 92364 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 42842512 is about 6545.4191615205. The cubic root of 42842512 is about 349.9115749408.

The spelling of 42842512 in words is "forty-two million, eight hundred forty-two thousand, five hundred twelve".