450025540 has 24 divisors (see below), whose sum is σ = 954233280. Its totient is φ = 178261728.

The previous prime is 450025531. The next prime is 450025577. The reversal of 450025540 is 45520054.

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, 107170 + ... + 111289.

It is an arithmetic number, because the mean of its divisors is an integer number (39759720).

Almost surely, 2^450025540 is an apocalyptic number.

It is an amenable number.

450025540 is an abundant number, since it is smaller than the sum of its proper divisors (504207740).

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

450025540 is a wasteful number, since it uses less digits than its factorization.

450025540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218571 (or 218569 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 450025540 is about 21213.8054106282. The cubic root of 450025540 is about 766.3239295585.

Adding to 450025540 its reverse (45520054), we get a palindrome (495545594).

The spelling of 450025540 in words is "four hundred fifty million, twenty-five thousand, five hundred forty".