42254433 has 16 divisors (see below), whose sum is σ = 67415040. Its totient is φ = 26002512.

The previous prime is 42254417. The next prime is 42254437. The reversal of 42254433 is 33445224.

42254433 is a `hidden beast` number, since 4 + 225 + 4 + 433 = 666.

It is not a de Polignac number, because 42254433 - 2⁴ = 42254417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42254397 and 42254406.

It is not an unprimeable number, because it can be changed into a prime (42254437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59841 + ... + 60542.

It is an arithmetic number, because the mean of its divisors is an integer number (4213440).

Almost surely, 2^42254433 is an apocalyptic number.

It is an amenable number.

42254433 is a deficient number, since it is larger than the sum of its proper divisors (25160607).

42254433 is a wasteful number, since it uses less digits than its factorization.

42254433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120405 (or 120399 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 42254433 is about 6500.3409910558. The cubic root of 42254433 is about 348.3031692222.

Adding to 42254433 its reverse (33445224), we get a palindrome (75699657).

The spelling of 42254433 in words is "forty-two million, two hundred fifty-four thousand, four hundred thirty-three".