42884280 has 96 divisors (see below), whose sum is σ = 140540400. Its totient is φ = 11340288.

The previous prime is 42884279. The next prime is 42884321. The reversal of 42884280 is 8248824.

42884280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42884280² = 3678122942236800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49612 + ... + 50468.

Almost surely, 2^42884280 is an apocalyptic number.

42884280 is a gapful number since it is divisible by the number (40) 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 42884280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70270200).

42884280 is an abundant number, since it is smaller than the sum of its proper divisors (97656120).

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

42884280 is a wasteful number, since it uses less digits than its factorization.

42884280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 42884280 is about 6548.6090126072. The cubic root of 42884280 is about 350.0252498790.

The spelling of 42884280 in words is "forty-two million, eight hundred eighty-four thousand, two hundred eighty".