451633484632 has 32 divisors (see below), whose sum is σ = 923868273600. Its totient is φ = 205271834400.

The previous prime is 451633484629. The next prime is 451633484633. The reversal of 451633484632 is 236484336154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451633484633) 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, 964219 + ... + 1353877.

It is an arithmetic number, because the mean of its divisors is an integer number (28870883550).

Almost surely, 2^451633484632 is an apocalyptic number.

It is an amenable number.

451633484632 is an abundant number, since it is smaller than the sum of its proper divisors (472234788968).

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

451633484632 is a wasteful number, since it uses less digits than its factorization.

451633484632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402847 (or 402843 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 49.

The spelling of 451633484632 in words is "four hundred fifty-one billion, six hundred thirty-three million, four hundred eighty-four thousand, six hundred thirty-two".