451500450 has 96 divisors (see below), whose sum is σ = 1206083520. Its totient is φ = 111360000.

The previous prime is 451500437. The next prime is 451500479. The reversal of 451500450 is 54005154.

It is a self number, because there is not a number n which added to its sum of digits gives 451500450.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148950 + ... + 151950.

It is an arithmetic number, because the mean of its divisors is an integer number (12563370).

Almost surely, 2^451500450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451500450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603041760).

451500450 is an abundant number, since it is smaller than the sum of its proper divisors (754583070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451500450 is a wasteful number, since it uses less digits than its factorization.

451500450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092 (or 3087 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 451500450 is about 21248.5399498413. The cubic root of 451500450 is about 767.1601978758.

The spelling of 451500450 in words is "four hundred fifty-one million, five hundred thousand, four hundred fifty".