455404431 has 8 divisors (see below), whose sum is σ = 608232240. Its totient is φ = 303089792.

The previous prime is 455404423. The next prime is 455404457. The reversal of 455404431 is 134404554.

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

It is a cyclic number.

It is not a de Polignac number, because 455404431 - 2³ = 455404423 is a prime.

It is a super-2 number, since 2×455404431² = 414786391548867522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455404471) 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, 126216 + ... + 129773.

It is an arithmetic number, because the mean of its divisors is an integer number (76029030).

Almost surely, 2^455404431 is an apocalyptic number.

455404431 is a deficient number, since it is larger than the sum of its proper divisors (152827809).

455404431 is a wasteful number, since it uses less digits than its factorization.

455404431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256585.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 455404431 is about 21340.2069108994. The cubic root of 455404431 is about 769.3649855309.

Adding to 455404431 its reverse (134404554), we get a palindrome (589808985).

The spelling of 455404431 in words is "four hundred fifty-five million, four hundred four thousand, four hundred thirty-one".