42820260 has 96 divisors (see below), whose sum is σ = 140270592. Its totient is φ = 9555840.

The previous prime is 42820259. The next prime is 42820279. The reversal of 42820260 is 6202824.

It is a self number, because there is not a number n which added to its sum of digits gives 42820260.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16875 + ... + 19245.

It is an arithmetic number, because the mean of its divisors is an integer number (1461152).

Almost surely, 2^42820260 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 42820260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70135296).

42820260 is an abundant number, since it is smaller than the sum of its proper divisors (97450332).

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

42820260 is a wasteful number, since it uses less digits than its factorization.

42820260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433 (or 2431 counting only the distinct ones).

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

The square root of 42820260 is about 6543.7191260017. The cubic root of 42820260 is about 349.8509841832.

The spelling of 42820260 in words is "forty-two million, eight hundred twenty thousand, two hundred sixty".