451620315645126 has 16 divisors (see below), whose sum is σ = 903499365400128. Its totient is φ = 150496982863400.

The previous prime is 451620315645089. The next prime is 451620315645127. The reversal of 451620315645126 is 621546513026154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451620315645127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10780565220 + ... + 10780607111.

It is an arithmetic number, because the mean of its divisors is an integer number (56468710337508).

Almost surely, 2^{451620315645126} is an apocalyptic number.

451620315645126 is an abundant number, since it is smaller than the sum of its proper divisors (451879049755002).

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

451620315645126 is a wasteful number, since it uses less digits than its factorization.

451620315645126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21561175827.

The product of its (nonzero) digits is 5184000, while the sum is 51.

The spelling of 451620315645126 in words is "four hundred fifty-one trillion, six hundred twenty billion, three hundred fifteen million, six hundred forty-five thousand, one hundred twenty-six".