450346322990 has 16 divisors (see below), whose sum is σ = 811573717248. Its totient is φ = 179927343456.

The previous prime is 450346322989. The next prime is 450346323013. The reversal of 450346322990 is 99223643054.

It is a super-2 number, since 2×450346322990² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26389262 + ... + 26406321.

It is an arithmetic number, because the mean of its divisors is an integer number (50723357328).

Almost surely, 2^450346322990 is an apocalyptic number.

450346322990 is a deficient number, since it is larger than the sum of its proper divisors (361227394258).

450346322990 is a wasteful number, since it uses less digits than its factorization.

450346322990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52796443.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 450346322990 in words is "four hundred fifty billion, three hundred forty-six million, three hundred twenty-two thousand, nine hundred ninety".