441621432 has 48 divisors (see below), whose sum is σ = 1366925040. Its totient is φ = 126177408.

The previous prime is 441621361. The next prime is 441621451. The reversal of 441621432 is 234126144.

It is a happy number.

441621432 is a `hidden beast` number, since 4 + 4 + 1 + 621 + 4 + 32 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 441621396 and 441621405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437613 + ... + 438620.

It is an arithmetic number, because the mean of its divisors is an integer number (28477605).

Almost surely, 2^441621432 is an apocalyptic number.

441621432 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

441621432 is an abundant number, since it is smaller than the sum of its proper divisors (925303608).

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

441621432 is a wasteful number, since it uses less digits than its factorization.

441621432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876252 (or 876245 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 441621432 is about 21014.7907912499. The cubic root of 441621432 is about 761.5236239628.

Adding to 441621432 its reverse (234126144), we get a palindrome (675747576).

The spelling of 441621432 in words is "four hundred forty-one million, six hundred twenty-one thousand, four hundred thirty-two".