42260445 has 12 divisors (see below), whose sum is σ = 73251516. Its totient is φ = 22538880.

The previous prime is 42260441. The next prime is 42260447. The reversal of 42260445 is 54406224.

It can be written as a sum of positive squares in 2 ways, for example, as 7650756 + 34609689 = 2766^2 + 5883^2 .

It is not a de Polignac number, because 42260445 - 2² = 42260441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42260441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469516 + ... + 469605.

It is an arithmetic number, because the mean of its divisors is an integer number (6104293).

Almost surely, 2^42260445 is an apocalyptic number.

42260445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42260445 is a deficient number, since it is larger than the sum of its proper divisors (30991071).

42260445 is a wasteful number, since it uses less digits than its factorization.

42260445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939132 (or 939129 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 42260445 is about 6500.8034118869. The cubic root of 42260445 is about 348.3196874050.

Adding to 42260445 its reverse (54406224), we get a palindrome (96666669).

The spelling of 42260445 in words is "forty-two million, two hundred sixty thousand, four hundred forty-five".