42260340 has 72 divisors (see below), whose sum is σ = 121574880. Its totient is φ = 10968320.

The previous prime is 42260333. The next prime is 42260353. The reversal of 42260340 is 4306224.

42260340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 100651 + ... + 101069.

It is an arithmetic number, because the mean of its divisors is an integer number (1688540).

Almost surely, 2^42260340 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 42260340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60787440).

42260340 is an abundant number, since it is smaller than the sum of its proper divisors (79314540).

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

42260340 is a wasteful number, since it uses less digits than its factorization.

42260340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 42260340 is about 6500.7953359570. The cubic root of 42260340 is about 348.3193989272.

Adding to 42260340 its reverse (4306224), we get a palindrome (46566564).

The spelling of 42260340 in words is "forty-two million, two hundred sixty thousand, three hundred forty".