450433040 has 40 divisors (see below), whose sum is σ = 1049034048. Its totient is φ = 179867520.

The previous prime is 450433031. The next prime is 450433043. The reversal of 450433040 is 40334054.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 450432997 and 450433015.

It is not an unprimeable number, because it can be changed into a prime (450433043) 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, 46019 + ... + 54941.

Almost surely, 2^450433040 is an apocalyptic number.

450433040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450433040 is an abundant number, since it is smaller than the sum of its proper divisors (598601008).

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

450433040 is a wasteful number, since it uses less digits than its factorization.

450433040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9567 (or 9561 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 450433040 is about 21223.4078319199. The cubic root of 450433040 is about 766.5551629478. Note that the first 3 decimals are identical.

Adding to 450433040 its reverse (40334054), we get a palindrome (490767094).

The spelling of 450433040 in words is "four hundred fifty million, four hundred thirty-three thousand, forty".