451422436 has 12 divisors (see below), whose sum is σ = 791325612. Its totient is φ = 225329408.

The previous prime is 451422431. The next prime is 451422443. The reversal of 451422436 is 634224154.

It can be written as a sum of positive squares in 2 ways, for example, as 115433536 + 335988900 = 10744^2 + 18330^2 .

It is a junction number, because it is equal to n+sod(n) for n = 451422398 and 451422407.

It is not an unprimeable number, because it can be changed into a prime (451422431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92785 + ... + 97528.

It is an arithmetic number, because the mean of its divisors is an integer number (65943801).

Almost surely, 2^451422436 is an apocalyptic number.

It is an amenable number.

451422436 is a deficient number, since it is larger than the sum of its proper divisors (339903176).

451422436 is a wasteful number, since it uses less digits than its factorization.

451422436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190910 (or 190908 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 451422436 is about 21246.7041208748. The cubic root of 451422436 is about 767.1160098925.

The spelling of 451422436 in words is "four hundred fifty-one million, four hundred twenty-two thousand, four hundred thirty-six".