455444431 has 8 divisors (see below), whose sum is σ = 491820224. Its totient is φ = 419260320.

The previous prime is 455444393. The next prime is 455444447. The reversal of 455444431 is 134444554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455444431 is a prime.

It is a super-2 number, since 2×455444431² = 414859259457827522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455444461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42960 + ... + 52501.

It is an arithmetic number, because the mean of its divisors is an integer number (61477528).

Almost surely, 2^455444431 is an apocalyptic number.

455444431 is a deficient number, since it is larger than the sum of its proper divisors (36375793).

455444431 is a wasteful number, since it uses less digits than its factorization.

455444431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95841.

The product of its digits is 76800, while the sum is 34.

The square root of 455444431 is about 21341.1440883567. The cubic root of 455444431 is about 769.3875103436.

Adding to 455444431 its reverse (134444554), we get a palindrome (589888985).

It can be divided in two parts, 455 and 444431, that multiplied together give a triangular number (202216105 = T₂₀₁₁₀).

The spelling of 455444431 in words is "four hundred fifty-five million, four hundred forty-four thousand, four hundred thirty-one".