451033401650 has 48 divisors (see below), whose sum is σ = 903543435144. Its totient is φ = 166519034880.

The previous prime is 451033401629. The next prime is 451033401659. The reversal of 451033401650 is 56104330154.

It can be written as a sum of positive squares in 12 ways, for example, as 103488959809 + 347544441841 = 321697^2 + 589529^2 .

It is a super-2 number, since 2×451033401650² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (451033401659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8056154 + ... + 8111946.

Almost surely, 2^451033401650 is an apocalyptic number.

451033401650 is an abundant number, since it is smaller than the sum of its proper divisors (452510033494).

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

451033401650 is a wasteful number, since it uses less digits than its factorization.

451033401650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68255 (or 68250 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 451033401650 in words is "four hundred fifty-one billion, thirty-three million, four hundred one thousand, six hundred fifty".