450424402 has 4 divisors (see below), whose sum is σ = 675636606. Its totient is φ = 225212200.

The previous prime is 450424399. The next prime is 450424411. The reversal of 450424402 is 204424054.

It is a happy number.

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., 252206161 + 198218241 = 15881^2 + 14079^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112606099 + ... + 112606102.

Almost surely, 2^450424402 is an apocalyptic number.

450424402 is a deficient number, since it is larger than the sum of its proper divisors (225212204).

450424402 is a wasteful number, since it uses less digits than its factorization.

450424402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225212203.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 450424402 is about 21223.2043292242. The cubic root of 450424402 is about 766.5502628145.

Adding to 450424402 its reverse (204424054), we get a palindrome (654848456).

The spelling of 450424402 in words is "four hundred fifty million, four hundred twenty-four thousand, four hundred two".