4200455 has 16 divisors (see below), whose sum is σ = 5896704. Its totient is φ = 2812320.

The previous prime is 4200451. The next prime is 4200481. The reversal of 4200455 is 5540024.

It is a happy number.

It is not a de Polignac number, because 4200455 - 2² = 4200451 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 (4200451) 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, 110 + ... + 2900.

It is an arithmetic number, because the mean of its divisors is an integer number (368544).

Almost surely, 2^4200455 is an apocalyptic number.

4200455 is a deficient number, since it is larger than the sum of its proper divisors (1696249).

4200455 is a wasteful number, since it uses less digits than its factorization.

4200455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4200455 is about 2049.5011588189. The cubic root of 4200455 is about 161.3486906622.

Adding to 4200455 its reverse (5540024), we get a palindrome (9740479).

It can be divided in two parts, 420045 and 5, that multiplied together give a triangular number (2100225 = T₂₀₄₉).

The spelling of 4200455 in words is "four million, two hundred thousand, four hundred fifty-five".