451626216 has 32 divisors (see below), whose sum is σ = 1195482240. Its totient is φ = 141686528.

The previous prime is 451626211. The next prime is 451626221. The reversal of 451626216 is 612626154.

It is an interprime number because it is at equal distance from previous prime (451626211) and next prime (451626221).

It is not an unprimeable number, because it can be changed into a prime (451626211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553056 + ... + 553871.

It is an arithmetic number, because the mean of its divisors is an integer number (37358820).

Almost surely, 2^451626216 is an apocalyptic number.

It is an amenable number.

451626216 is an abundant number, since it is smaller than the sum of its proper divisors (743856024).

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

451626216 is a wasteful number, since it uses less digits than its factorization.

451626216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106953 (or 1106949 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 451626216 is about 21251.4991471190. The cubic root of 451626216 is about 767.2314223987.

It can be divided in two parts, 45 and 1626216, that added together give a palindrome (1626261).

The spelling of 451626216 in words is "four hundred fifty-one million, six hundred twenty-six thousand, two hundred sixteen".