42254401 has 12 divisors (see below), whose sum is σ = 51300928. Its totient is φ = 34085952.

The previous prime is 42254389. The next prime is 42254417. The reversal of 42254401 is 10445224.

It is a happy number.

It is not a de Polignac number, because 42254401 - 2¹⁵ = 42221633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42254491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8421 + ... + 12466.

Almost surely, 2^42254401 is an apocalyptic number.

It is an amenable number.

42254401 is a deficient number, since it is larger than the sum of its proper divisors (9046527).

42254401 is a wasteful number, since it uses less digits than its factorization.

42254401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20928 (or 20911 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 42254401 is about 6500.3385296460. The cubic root of 42254401 is about 348.3030812969.

Adding to 42254401 its reverse (10445224), we get a palindrome (52699625).

The spelling of 42254401 in words is "forty-two million, two hundred fifty-four thousand, four hundred one".