451843964 has 48 divisors (see below), whose sum is σ = 935813760. Its totient is φ = 188187840.

The previous prime is 451843943. The next prime is 451843967. The reversal of 451843964 is 469348154.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451843967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76667 + ... + 82349.

It is an arithmetic number, because the mean of its divisors is an integer number (19496120).

Almost surely, 2^451843964 is an apocalyptic number.

451843964 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

451843964 is an abundant number, since it is smaller than the sum of its proper divisors (483969796).

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

451843964 is a wasteful number, since it uses less digits than its factorization.

451843964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850 (or 5848 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 451843964 is about 21256.6216506763. The cubic root of 451843964 is about 767.3547074367.

The spelling of 451843964 in words is "four hundred fifty-one million, eight hundred forty-three thousand, nine hundred sixty-four".