459450644 has 6 divisors (see below), whose sum is σ = 804038634. Its totient is φ = 229725320.

The previous prime is 459450643. The next prime is 459450697. The reversal of 459450644 is 446054954.

It can be written as a sum of positive squares in only one way, i.e., 392832400 + 66618244 = 19820^2 + 8162^2 .

It is a super-2 number, since 2×459450644² = 422189788544029472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459450643) by changing a digit.

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 as a sum of consecutive naturals, namely, 57431327 + ... + 57431334.

It is an arithmetic number, because the mean of its divisors is an integer number (134006439).

Almost surely, 2^459450644 is an apocalyptic number.

It is an amenable number.

459450644 is a deficient number, since it is larger than the sum of its proper divisors (344587990).

459450644 is a wasteful number, since it uses less digits than its factorization.

459450644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114862665 (or 114862663 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 459450644 is about 21434.7998357811. The cubic root of 459450644 is about 771.6368418195.

The spelling of 459450644 in words is "four hundred fifty-nine million, four hundred fifty thousand, six hundred forty-four".