450311140 has 12 divisors (see below), whose sum is σ = 945653436. Its totient is φ = 180124448.

The previous prime is 450311129. The next prime is 450311149. The reversal of 450311140 is 41113054.

It can be written as a sum of positive squares in 2 ways, for example, as 126023076 + 324288064 = 11226^2 + 18008^2 .

It is not an unprimeable number, because it can be changed into a prime (450311149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11257759 + ... + 11257798.

It is an arithmetic number, because the mean of its divisors is an integer number (78804453).

Almost surely, 2^450311140 is an apocalyptic number.

It is an amenable number.

450311140 is an abundant number, since it is smaller than the sum of its proper divisors (495342296).

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

450311140 is a wasteful number, since it uses less digits than its factorization.

450311140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22515566 (or 22515564 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 450311140 is about 21220.5358085040. The cubic root of 450311140 is about 766.4860061610.

Adding to 450311140 its reverse (41113054), we get a palindrome (491424194).

The spelling of 450311140 in words is "four hundred fifty million, three hundred eleven thousand, one hundred forty".