453404440 has 16 divisors (see below), whose sum is σ = 1020160080. Its totient is φ = 181361760.

The previous prime is 453404431. The next prime is 453404447. The reversal of 453404440 is 44404354.

It is a junction number, because it is equal to n+sod(n) for n = 453404399 and 453404408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453404447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5667516 + ... + 5667595.

It is an arithmetic number, because the mean of its divisors is an integer number (63760005).

Almost surely, 2^453404440 is an apocalyptic number.

453404440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

453404440 is an abundant number, since it is smaller than the sum of its proper divisors (566755640).

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

453404440 is a wasteful number, since it uses less digits than its factorization.

453404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11335122 (or 11335118 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 453404440 is about 21293.2956584931. The cubic root of 453404440 is about 768.2370642221.

Adding to 453404440 its reverse (44404354), we get a palindrome (497808794).

The spelling of 453404440 in words is "four hundred fifty-three million, four hundred four thousand, four hundred forty".