451425644 has 6 divisors (see below), whose sum is σ = 789994884. Its totient is φ = 225712820.

The previous prime is 451425643. The next prime is 451425673. The reversal of 451425644 is 446524154.

It is a super-2 number, since 2×451425644² = 407570224121629472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (451425643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56428202 + ... + 56428209.

It is an arithmetic number, because the mean of its divisors is an integer number (131665814).

Almost surely, 2^451425644 is an apocalyptic number.

It is an amenable number.

451425644 is a deficient number, since it is larger than the sum of its proper divisors (338569240).

451425644 is a wasteful number, since it uses less digits than its factorization.

451425644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112856415 (or 112856413 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

The square root of 451425644 is about 21246.7796148028. The cubic root of 451425644 is about 767.1178270391.

Adding to 451425644 its reverse (446524154), we get a palindrome (897949798).

The spelling of 451425644 in words is "four hundred fifty-one million, four hundred twenty-five thousand, six hundred forty-four".