451242454244 has 12 divisors (see below), whose sum is σ = 791365249584. Its totient is φ = 225138097224.

The previous prime is 451242454217. The next prime is 451242454261. The reversal of 451242454244 is 442454242154.

It is a super-2 number, since 2×451242454244² (a number of 24 digits) contains 22 as substring.

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, 120780374 + ... + 120784109.

It is an arithmetic number, because the mean of its divisors is an integer number (65947104132).

Almost surely, 2^451242454244 is an apocalyptic number.

It is an amenable number.

451242454244 is a deficient number, since it is larger than the sum of its proper divisors (340122795340).

451242454244 is a wasteful number, since it uses less digits than its factorization.

451242454244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241564954 (or 241564952 counting only the distinct ones).

The product of its digits is 819200, while the sum is 41.

Adding to 451242454244 its reverse (442454242154), we get a palindrome (893696696398).

The spelling of 451242454244 in words is "four hundred fifty-one billion, two hundred forty-two million, four hundred fifty-four thousand, two hundred forty-four".