451506224445564 has 48 divisors (see below), whose sum is σ = 1087554816133632. Its totient is φ = 145701123654912.

The previous prime is 451506224445517. The next prime is 451506224445583. The reversal of 451506224445564 is 465544422605154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3871676484 + ... + 3871793099.

It is an arithmetic number, because the mean of its divisors is an integer number (22657392002784).

Almost surely, 2^{451506224445564} is an apocalyptic number.

It is an amenable number.

451506224445564 is an abundant number, since it is smaller than the sum of its proper divisors (636048591688068).

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

451506224445564 is a wasteful number, since it uses less digits than its factorization.

451506224445564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7743469746 (or 7743469744 counting only the distinct ones).

The product of its (nonzero) digits is 92160000, while the sum is 57.

The spelling of 451506224445564 in words is "four hundred fifty-one trillion, five hundred six billion, two hundred twenty-four million, four hundred forty-five thousand, five hundred sixty-four".