42851568 has 40 divisors (see below), whose sum is σ = 111250816. Its totient is φ = 14212800.

The previous prime is 42851563. The next prime is 42851603. The reversal of 42851568 is 86515824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42851563) 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, 8013 + ... + 12243.

Almost surely, 2^42851568 is an apocalyptic number.

42851568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42851568 is an abundant number, since it is smaller than the sum of its proper divisors (68399248).

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

42851568 is a wasteful number, since it uses less digits than its factorization.

42851568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453 (or 4447 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 42851568 is about 6546.1109064849. The cubic root of 42851568 is about 349.9362278368.

The spelling of 42851568 in words is "forty-two million, eight hundred fifty-one thousand, five hundred sixty-eight".