451700420 has 12 divisors (see below), whose sum is σ = 948570924. Its totient is φ = 180680160.

The previous prime is 451700413. The next prime is 451700429. The reversal of 451700420 is 24007154.

It can be written as a sum of positive squares in 2 ways, for example, as 79673476 + 372026944 = 8926^2 + 19288^2 .

It is not an unprimeable number, because it can be changed into a prime (451700429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11292491 + ... + 11292530.

It is an arithmetic number, because the mean of its divisors is an integer number (79047577).

Almost surely, 2^451700420 is an apocalyptic number.

It is an amenable number.

451700420 is an abundant number, since it is smaller than the sum of its proper divisors (496870504).

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

451700420 is a wasteful number, since it uses less digits than its factorization.

451700420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22585030 (or 22585028 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 451700420 is about 21253.2449287162. The cubic root of 451700420 is about 767.2734398316.

Adding to 451700420 its reverse (24007154), we get a palindrome (475707574).

The spelling of 451700420 in words is "four hundred fifty-one million, seven hundred thousand, four hundred twenty".