451500004 has 24 divisors (see below), whose sum is σ = 808464888. Its totient is φ = 220546560.

The previous prime is 451499989. The next prime is 451500013. The reversal of 451500004 is 400005154.

It can be written as a sum of positive squares in 4 ways, for example, as 328334400 + 123165604 = 18120^2 + 11098^2 .

It is a super-2 number, since 2×451500004² = 407704507224000032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46674 + ... + 55510.

It is an arithmetic number, because the mean of its divisors is an integer number (33686037).

Almost surely, 2^451500004 is an apocalyptic number.

It is an amenable number.

451500004 is a deficient number, since it is larger than the sum of its proper divisors (356964884).

451500004 is a wasteful number, since it uses less digits than its factorization.

451500004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9135 (or 9133 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 451500004 is about 21248.5294549999. The cubic root of 451500004 is about 767.1599452710.

Adding to 451500004 its reverse (400005154), we get a palindrome (851505158).

The spelling of 451500004 in words is "four hundred fifty-one million, five hundred thousand, four".