42865488 has 60 divisors (see below), whose sum is σ = 120706560. Its totient is φ = 14200128.

The previous prime is 42865439. The next prime is 42865507. The reversal of 42865488 is 88456824.

It is a super-2 number, since 2×42865488² = 3674900122956288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24945 + ... + 26607.

It is an arithmetic number, because the mean of its divisors is an integer number (2011776).

Almost surely, 2^42865488 is an apocalyptic number.

42865488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42865488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60353280).

42865488 is an abundant number, since it is smaller than the sum of its proper divisors (77841072).

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

42865488 is a wasteful number, since it uses less digits than its factorization.

42865488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856 (or 1847 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 42865488 is about 6547.1740468694. The cubic root of 42865488 is about 349.9741150925.

The spelling of 42865488 in words is "forty-two million, eight hundred sixty-five thousand, four hundred eighty-eight".