404452453 has 8 divisors (see below), whose sum is σ = 414222336. Its totient is φ = 394699200.

The previous prime is 404452421. The next prime is 404452471. The reversal of 404452453 is 354254404.

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 404452453 - 2⁵ = 404452421 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 (404453453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55068 + ... + 61978.

It is an arithmetic number, because the mean of its divisors is an integer number (51777792).

Almost surely, 2^404452453 is an apocalyptic number.

404452453 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

404452453 is a deficient number, since it is larger than the sum of its proper divisors (9769883).

404452453 is a wasteful number, since it uses less digits than its factorization.

404452453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 404452453 is about 20111.0032817858. The cubic root of 404452453 is about 739.5300479705.

The spelling of 404452453 in words is "four hundred four million, four hundred fifty-two thousand, four hundred fifty-three".