450343040 has 64 divisors (see below), whose sum is σ = 1230413760. Its totient is φ = 154401792.

The previous prime is 450343031. The next prime is 450343087. The reversal of 450343040 is 40343054.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 450342997 and 450343015.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 45782 + ... + 54741.

It is an arithmetic number, because the mean of its divisors is an integer number (19225215).

Almost surely, 2^450343040 is an apocalyptic number.

450343040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450343040 is an abundant number, since it is smaller than the sum of its proper divisors (780070720).

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

450343040 is a wasteful number, since it uses less digits than its factorization.

450343040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100549 (or 100537 counting only the distinct ones).

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

The square root of 450343040 is about 21221.2874256017. The cubic root of 450343040 is about 766.5041049999.

Adding to 450343040 its reverse (40343054), we get a palindrome (490686094).

The spelling of 450343040 in words is "four hundred fifty million, three hundred forty-three thousand, forty".