42851136 has 56 divisors (see below), whose sum is σ = 115543584. Its totient is φ = 14010880.

The previous prime is 42851131. The next prime is 42851147. The reversal of 42851136 is 63115824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42851131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8071 + ... + 12281.

Almost surely, 2^42851136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42851136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57771792).

42851136 is an abundant number, since it is smaller than the sum of its proper divisors (72692448).

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

42851136 is a wasteful number, since it uses less digits than its factorization.

42851136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279 (or 4269 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 42851136 is about 6546.0779097105. The cubic root of 42851136 is about 349.9350518942.

The spelling of 42851136 in words is "forty-two million, eight hundred fifty-one thousand, one hundred thirty-six".