451052636 has 24 divisors (see below), whose sum is σ = 837758880. Its totient is φ = 211756032.

The previous prime is 451052629. The next prime is 451052639. The reversal of 451052636 is 636250154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451052639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21785 + ... + 37103.

It is an arithmetic number, because the mean of its divisors is an integer number (34906620).

Almost surely, 2^451052636 is an apocalyptic number.

It is an amenable number.

451052636 is a deficient number, since it is larger than the sum of its proper divisors (386706244).

451052636 is a wasteful number, since it uses less digits than its factorization.

451052636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15773 (or 15771 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 451052636 is about 21237.9998116583. Note that the first 3 decimals coincide. The cubic root of 451052636 is about 766.9064818352.

The spelling of 451052636 in words is "four hundred fifty-one million, fifty-two thousand, six hundred thirty-six".