451373380 has 24 divisors (see below), whose sum is σ = 948467520. Its totient is φ = 180438240.

The previous prime is 451373353. The next prime is 451373393. The reversal of 451373380 is 83373154.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31575 + ... + 43585.

It is an arithmetic number, because the mean of its divisors is an integer number (39519480).

Almost surely, 2^451373380 is an apocalyptic number.

It is an amenable number.

451373380 is an abundant number, since it is smaller than the sum of its proper divisors (497094140).

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

451373380 is a wasteful number, since it uses less digits than its factorization.

451373380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13899 (or 13897 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 451373380 is about 21245.5496516329. The cubic root of 451373380 is about 767.0882214300.

The spelling of 451373380 in words is "four hundred fifty-one million, three hundred seventy-three thousand, three hundred eighty".