450031740 has 48 divisors (see below), whose sum is σ = 1294151712. Its totient is φ = 116764416.

The previous prime is 450031691. The next prime is 450031741. The reversal of 450031740 is 47130054.

It is a self number, because there is not a number n which added to its sum of digits gives 450031740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450031741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99139 + ... + 103578.

It is an arithmetic number, because the mean of its divisors is an integer number (26961494).

Almost surely, 2^450031740 is an apocalyptic number.

It is an amenable number.

450031740 is an abundant number, since it is smaller than the sum of its proper divisors (844119972).

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

450031740 is a wasteful number, since it uses less digits than its factorization.

450031740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202766 (or 202764 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 450031740 is about 21213.9515413796. The cubic root of 450031740 is about 766.3274487562.

Adding to 450031740 its reverse (47130054), we get a palindrome (497161794).

The spelling of 450031740 in words is "four hundred fifty million, thirty-one thousand, seven hundred forty".