441239040 has 240 divisors, whose sum is σ = 1668013776. Its totient is φ = 106905600.

The previous prime is 441239017. The next prime is 441239041. The reversal of 441239040 is 40932144.

It is a tau number, because it is divible by the number of its divisors (240).

It is a junction number, because it is equal to n+sod(n) for n = 441238995 and 441239013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441239041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252570 + ... + 254310.

Almost surely, 2^441239040 is an apocalyptic number.

441239040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441239040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834006888).

441239040 is an abundant number, since it is smaller than the sum of its proper divisors (1226774736).

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

441239040 is a wasteful number, since it uses less digits than its factorization.

441239040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 441239040 is about 21005.6906575337. The cubic root of 441239040 is about 761.3037639881.

The spelling of 441239040 in words is "four hundred forty-one million, two hundred thirty-nine thousand, forty".