451230742012516 has 12 divisors (see below), whose sum is σ = 789653952679788. Its totient is φ = 225615326961152.

The previous prime is 451230742012507. The next prime is 451230742012543. The reversal of 451230742012516 is 615210247032154.

It can be written as a sum of positive squares in 2 ways, for example, as 63595521102400 + 387635220910116 = 7974680^2 + 19688454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25465800 + ... + 39382336.

It is an arithmetic number, because the mean of its divisors is an integer number (65804496056649).

Almost surely, 2^{451230742012516} is an apocalyptic number.

It is an amenable number.

451230742012516 is a deficient number, since it is larger than the sum of its proper divisors (338423210667272).

451230742012516 is a wasteful number, since it uses less digits than its factorization.

451230742012516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22022558 (or 22022556 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 451230742012516 in words is "four hundred fifty-one trillion, two hundred thirty billion, seven hundred forty-two million, twelve thousand, five hundred sixteen".