451538036 has 12 divisors (see below), whose sum is σ = 795040512. Its totient is φ = 224383608.

The previous prime is 451538027. The next prime is 451538039. The reversal of 451538036 is 630835154.

It is a junction number, because it is equal to n+sod(n) for n = 451537987 and 451538005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451538039) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 345620 + ... + 346923.

It is an arithmetic number, because the mean of its divisors is an integer number (66253376).

Almost surely, 2^451538036 is an apocalyptic number.

It is an amenable number.

451538036 is a deficient number, since it is larger than the sum of its proper divisors (343502476).

451538036 is a wasteful number, since it uses less digits than its factorization.

451538036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692710 (or 692708 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 451538036 is about 21249.4243686741. The cubic root of 451538036 is about 767.1814851806.

The spelling of 451538036 in words is "four hundred fifty-one million, five hundred thirty-eight thousand, thirty-six".