42028260 has 24 divisors (see below), whose sum is σ = 117679296. Its totient is φ = 11207520.

The previous prime is 42028241. The next prime is 42028271. The reversal of 42028260 is 6282024.

It is a self number, because there is not a number n which added to its sum of digits gives 42028260.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350176 + ... + 350295.

It is an arithmetic number, because the mean of its divisors is an integer number (4903304).

Almost surely, 2^42028260 is an apocalyptic number.

It is an amenable number.

42028260 is an abundant number, since it is smaller than the sum of its proper divisors (75651036).

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

42028260 is a wasteful number, since it uses less digits than its factorization.

42028260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700483 (or 700481 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 42028260 is about 6482.9206381075. The cubic root of 42028260 is about 347.6806093212.

It can be divided in two parts, 420 and 28260, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 42028260 in words is "forty-two million, twenty-eight thousand, two hundred sixty".