441780440 has 32 divisors (see below), whose sum is σ = 1012765680. Its totient is φ = 173377152.

The previous prime is 441780439. The next prime is 441780487. The reversal of 441780440 is 44087144.

It is a junction number, because it is equal to n+sod(n) for n = 441780397 and 441780406.

It is a congruent number.

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, 102074 + ... + 106313.

Almost surely, 2^441780440 is an apocalyptic number.

441780440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441780440 is an abundant number, since it is smaller than the sum of its proper divisors (570985240).

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

441780440 is a wasteful number, since it uses less digits than its factorization.

441780440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208451 (or 208447 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 441780440 is about 21018.5736909049. The cubic root of 441780440 is about 761.6150097891.

The spelling of 441780440 in words is "four hundred forty-one million, seven hundred eighty thousand, four hundred forty".