451368380 has 12 divisors (see below), whose sum is σ = 947873640. Its totient is φ = 180547344.

The previous prime is 451368361. The next prime is 451368403. The reversal of 451368380 is 83863154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11284190 + ... + 11284229.

It is an arithmetic number, because the mean of its divisors is an integer number (78989470).

Almost surely, 2^451368380 is an apocalyptic number.

It is an amenable number.

451368380 is an abundant number, since it is smaller than the sum of its proper divisors (496505260).

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

451368380 is a wasteful number, since it uses less digits than its factorization.

451368380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22568428 (or 22568426 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 451368380 is about 21245.4319796045. The cubic root of 451368380 is about 767.0853889965.

The spelling of 451368380 in words is "four hundred fifty-one million, three hundred sixty-eight thousand, three hundred eighty".