451313346 has 128 divisors (see below), whose sum is σ = 1087395840. Its totient is φ = 123379200.

The previous prime is 451313339. The next prime is 451313347. The reversal of 451313346 is 643313154.

It is not an unprimeable number, because it can be changed into a prime (451313347) 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 63 ways as a sum of consecutive naturals, for example, 3294190 + ... + 3294326.

It is an arithmetic number, because the mean of its divisors is an integer number (8495280).

Almost surely, 2^451313346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451313346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543697920).

451313346 is an abundant number, since it is smaller than the sum of its proper divisors (636082494).

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

451313346 is a wasteful number, since it uses less digits than its factorization.

451313346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280.

The product of its digits is 12960, while the sum is 30.

The square root of 451313346 is about 21244.1367440525. The cubic root of 451313346 is about 767.0542115850.

The spelling of 451313346 in words is "four hundred fifty-one million, three hundred thirteen thousand, three hundred forty-six".