451998802 has 8 divisors (see below), whose sum is σ = 684218700. Its totient is φ = 223925904.

The previous prime is 451998793. The next prime is 451998803. The reversal of 451998802 is 208899154.

It can be written as a sum of positive squares in 2 ways, for example, as 427703761 + 24295041 = 20681^2 + 4929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (451998803) 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, 1036477 + ... + 1036912.

Almost surely, 2^451998802 is an apocalyptic number.

451998802 is a deficient number, since it is larger than the sum of its proper divisors (232219898).

451998802 is a wasteful number, since it uses less digits than its factorization.

451998802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073500.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 451998802 is about 21260.2634508606. The cubic root of 451998802 is about 767.4423498592.

The spelling of 451998802 in words is "four hundred fifty-one million, nine hundred ninety-eight thousand, eight hundred two".