404550453 has 8 divisors (see below), whose sum is σ = 540019168. Its totient is φ = 269391024.

The previous prime is 404550409. The next prime is 404550457. The reversal of 404550453 is 354055404.

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

It is not a de Polignac number, because 404550453 - 2¹³ = 404542261 is a prime.

It is a super-2 number, since 2×404550453² = 327322138045010418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404550453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404550457) 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, 74251 + ... + 79512.

It is an arithmetic number, because the mean of its divisors is an integer number (67502396).

Almost surely, 2^404550453 is an apocalyptic number.

It is an amenable number.

404550453 is a deficient number, since it is larger than the sum of its proper divisors (135468715).

404550453 is a wasteful number, since it uses less digits than its factorization.

404550453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154643.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 404550453 is about 20113.4396113643. The cubic root of 404550453 is about 739.5897732372.

The spelling of 404550453 in words is "four hundred four million, five hundred fifty thousand, four hundred fifty-three".