451431044 has 12 divisors (see below), whose sum is σ = 794572044. Its totient is φ = 224410464.

The previous prime is 451431011. The next prime is 451431061. The reversal of 451431044 is 440134154.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 214271044 + 237160000 = 14638^2 + 15400^2 .

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, 325487 + ... + 326870.

It is an arithmetic number, because the mean of its divisors is an integer number (66214337).

Almost surely, 2^451431044 is an apocalyptic number.

It is an amenable number.

451431044 is a deficient number, since it is larger than the sum of its proper divisors (343141000).

451431044 is a wasteful number, since it uses less digits than its factorization.

451431044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652534 (or 652532 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 451431044 is about 21246.9066925047. The cubic root of 451431044 is about 767.1208858077.

Adding to 451431044 its reverse (440134154), we get a palindrome (891565198).

The spelling of 451431044 in words is "four hundred fifty-one million, four hundred thirty-one thousand, forty-four".