451480403668 has 192 divisors, whose sum is σ = 979318771200. Its totient is φ = 177758945280.

The previous prime is 451480403609. The next prime is 451480403669. The reversal of 451480403668 is 866304084154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451480403669) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1606691688 + ... + 1606691968.

It is an arithmetic number, because the mean of its divisors is an integer number (5100618600).

Almost surely, 2^451480403668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451480403668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489659385600).

451480403668 is an abundant number, since it is smaller than the sum of its proper divisors (527838367532).

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

451480403668 is a wasteful number, since it uses less digits than its factorization.

451480403668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 451480403668 in words is "four hundred fifty-one billion, four hundred eighty million, four hundred three thousand, six hundred sixty-eight".