451540002 has 16 divisors (see below), whose sum is σ = 942344640. Its totient is φ = 143969232.

The previous prime is 451539961. The next prime is 451540027. The reversal of 451540002 is 200045154.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635877 + ... + 1636152.

It is an arithmetic number, because the mean of its divisors is an integer number (58896540).

Almost surely, 2^451540002 is an apocalyptic number.

451540002 is an abundant number, since it is smaller than the sum of its proper divisors (490804638).

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

451540002 is a wasteful number, since it uses less digits than its factorization.

451540002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272057.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 451540002 is about 21249.4706287004. The cubic root of 451540002 is about 767.1825986170.

Adding to 451540002 its reverse (200045154), we get a palindrome (651585156).

The spelling of 451540002 in words is "four hundred fifty-one million, five hundred forty thousand, two".