451338434 has 4 divisors (see below), whose sum is σ = 677007654. Its totient is φ = 225669216.

The previous prime is 451338431. The next prime is 451338463. The reversal of 451338434 is 434833154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 299186209 + 152152225 = 17297^2 + 12335^2 .

It is a junction number, because it is equal to n+sod(n) for n = 451338394 and 451338403.

It is not an unprimeable number, because it can be changed into a prime (451338431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112834607 + ... + 112834610.

Almost surely, 2^451338434 is an apocalyptic number.

451338434 is a deficient number, since it is larger than the sum of its proper divisors (225669220).

451338434 is a wasteful number, since it uses less digits than its factorization.

451338434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225669219.

The product of its digits is 69120, while the sum is 35.

The square root of 451338434 is about 21244.7272046501. The cubic root of 451338434 is about 767.0684245479.

The spelling of 451338434 in words is "four hundred fifty-one million, three hundred thirty-eight thousand, four hundred thirty-four".