451500412 has 24 divisors (see below), whose sum is σ = 872347392. Its totient is φ = 202753200.

The previous prime is 451500409. The next prime is 451500437. The reversal of 451500412 is 214005154.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58164 + ... + 65467.

It is an arithmetic number, because the mean of its divisors is an integer number (36347808).

Almost surely, 2^451500412 is an apocalyptic number.

It is an amenable number.

451500412 is a deficient number, since it is larger than the sum of its proper divisors (420846980).

451500412 is a wasteful number, since it uses less digits than its factorization.

451500412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123729 (or 123727 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 451500412 is about 21248.5390556622. The cubic root of 451500412 is about 767.1601763534.

Adding to 451500412 its reverse (214005154), we get a palindrome (665505566).

The spelling of 451500412 in words is "four hundred fifty-one million, five hundred thousand, four hundred twelve".