451173550268 has 48 divisors (see below), whose sum is σ = 996966641664. Its totient is φ = 174073532160.

The previous prime is 451173550231. The next prime is 451173550309. The reversal of 451173550268 is 862055371154.

It is a super-2 number, since 2×451173550268² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20594348 + ... + 20616243.

It is an arithmetic number, because the mean of its divisors is an integer number (20770138368).

Almost surely, 2^451173550268 is an apocalyptic number.

It is an amenable number.

451173550268 is an abundant number, since it is smaller than the sum of its proper divisors (545793091396).

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

451173550268 is a wasteful number, since it uses less digits than its factorization.

451173550268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41210642 (or 41210640 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 451173550268 in words is "four hundred fifty-one billion, one hundred seventy-three million, five hundred fifty thousand, two hundred sixty-eight".