42414455 has 4 divisors (see below), whose sum is σ = 50897352. Its totient is φ = 33931560.

The previous prime is 42414433. The next prime is 42414457. The reversal of 42414455 is 55441424.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42414455 - 2¹⁰ = 42413431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42414457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4241441 + ... + 4241450.

It is an arithmetic number, because the mean of its divisors is an integer number (12724338).

Almost surely, 2^42414455 is an apocalyptic number.

42414455 is a deficient number, since it is larger than the sum of its proper divisors (8482897).

42414455 is an equidigital number, since it uses as much as digits as its factorization.

42414455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8482896.

The product of its digits is 12800, while the sum is 29.

The square root of 42414455 is about 6512.6380983439. The cubic root of 42414455 is about 348.7423023014.

Adding to 42414455 its reverse (55441424), we get a palindrome (97855879).

The spelling of 42414455 in words is "forty-two million, four hundred fourteen thousand, four hundred fifty-five".