451444541442 has 16 divisors (see below), whose sum is σ = 913033905120. Its totient is φ = 148790710112.

The previous prime is 451444541441. The next prime is 451444541459. The reversal of 451444541442 is 244145444154.

It is a junction number, because it is equal to n+sod(n) for n = 451444541394 and 451444541403.

It is not an unprimeable number, because it can be changed into a prime (451444541441) 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, 422700348 + ... + 422701415.

It is an arithmetic number, because the mean of its divisors is an integer number (57064619070).

Almost surely, 2^451444541442 is an apocalyptic number.

451444541442 is an abundant number, since it is smaller than the sum of its proper divisors (461589363678).

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

451444541442 is a wasteful number, since it uses less digits than its factorization.

451444541442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845401857.

The product of its digits is 819200, while the sum is 42.

Adding to 451444541442 its reverse (244145444154), we get a palindrome (695589985596).

The spelling of 451444541442 in words is "four hundred fifty-one billion, four hundred forty-four million, five hundred forty-one thousand, four hundred forty-two".