404453454 has 16 divisors (see below), whose sum is σ = 809160192. Its totient is φ = 134775608.

The previous prime is 404453453. The next prime is 404453501. The reversal of 404453454 is 454354404.

It is a happy 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, 14947 + ... + 32129.

It is an arithmetic number, because the mean of its divisors is an integer number (50572512).

Almost surely, 2^404453454 is an apocalyptic number.

404453454 is an abundant number, since it is smaller than the sum of its proper divisors (404706738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404453454 is a wasteful number, since it uses less digits than its factorization.

404453454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21111.

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 404453454 is about 20111.0281686442. The cubic root of 404453454 is about 739.5306580702.

The spelling of 404453454 in words is "four hundred four million, four hundred fifty-three thousand, four hundred fifty-four".