451122534002442 has 32 divisors (see below), whose sum is σ = 921443475456000. Its totient is φ = 147174455258288.

The previous prime is 451122534002423. The next prime is 451122534002443. The reversal of 451122534002442 is 244200435221154.

It is a self number, because there is not a number n which added to its sum of digits gives 451122534002442.

It is not an unprimeable number, because it can be changed into a prime (451122534002443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199751059 + ... + 201996857.

It is an arithmetic number, because the mean of its divisors is an integer number (28795108608000).

Almost surely, 2^{451122534002442} is an apocalyptic number.

451122534002442 is an abundant number, since it is smaller than the sum of its proper divisors (470320941453558).

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

451122534002442 is a wasteful number, since it uses less digits than its factorization.

451122534002442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958170.

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 451122534002442 its reverse (244200435221154), we get a palindrome (695322969223596).

The spelling of 451122534002442 in words is "four hundred fifty-one trillion, one hundred twenty-two billion, five hundred thirty-four million, two thousand, four hundred forty-two".