450901720628 has 24 divisors (see below), whose sum is σ = 823536842688. Its totient is φ = 215609077376.

The previous prime is 450901720613. The next prime is 450901720637. The reversal of 450901720628 is 826027109054.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57500 + ... + 951372.

It is an arithmetic number, because the mean of its divisors is an integer number (34314035112).

Almost surely, 2^450901720628 is an apocalyptic number.

It is an amenable number.

450901720628 is a deficient number, since it is larger than the sum of its proper divisors (372635122060).

450901720628 is a wasteful number, since it uses less digits than its factorization.

450901720628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899383 (or 899381 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 450901720628 in words is "four hundred fifty billion, nine hundred one million, seven hundred twenty thousand, six hundred twenty-eight".