451450061332660 has 96 divisors (see below), whose sum is σ = 1023222803605632. Its totient is φ = 166321976071680.

The previous prime is 451450061332657. The next prime is 451450061332687. The reversal of 451450061332660 is 66233160054154.

It is a self number, because there is not a number n which added to its sum of digits gives 451450061332660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342016867 + ... + 343334293.

It is an arithmetic number, because the mean of its divisors is an integer number (10658570870892).

Almost surely, 2^{451450061332660} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451450061332660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511611401802816).

451450061332660 is an abundant number, since it is smaller than the sum of its proper divisors (571772742272972).

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

451450061332660 is a wasteful number, since it uses less digits than its factorization.

451450061332660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320353 (or 1320351 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 451450061332660 in words is "four hundred fifty-one trillion, four hundred fifty billion, sixty-one million, three hundred thirty-two thousand, six hundred sixty".