451420430 has 32 divisors (see below), whose sum is σ = 873538560. Its totient is φ = 167421600.

The previous prime is 451420391. The next prime is 451420439. The reversal of 451420430 is 34024154.

It is a junction number, because it is equal to n+sod(n) for n = 451420396 and 451420405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451420439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16346 + ... + 34205.

It is an arithmetic number, because the mean of its divisors is an integer number (27298080).

Almost surely, 2^451420430 is an apocalyptic number.

451420430 is a deficient number, since it is larger than the sum of its proper divisors (422118130).

451420430 is a wasteful number, since it uses less digits than its factorization.

451420430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50624.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 451420430 is about 21246.6569135005. The cubic root of 451420430 is about 767.1148736050.

Adding to 451420430 its reverse (34024154), we get a palindrome (485444584).

The spelling of 451420430 in words is "four hundred fifty-one million, four hundred twenty thousand, four hundred thirty".