441055621 has 16 divisors (see below), whose sum is σ = 457920000. Its totient is φ = 424594800.

The previous prime is 441055513. The next prime is 441055639. The reversal of 441055621 is 126550144.

It is a cyclic number.

It is not a de Polignac number, because 441055621 - 2¹¹ = 441053573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 441055621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441055691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 883630 + ... + 884128.

It is an arithmetic number, because the mean of its divisors is an integer number (28620000).

Almost surely, 2^441055621 is an apocalyptic number.

It is an amenable number.

441055621 is a deficient number, since it is larger than the sum of its proper divisors (16864379).

441055621 is a wasteful number, since it uses less digits than its factorization.

441055621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 441055621 is about 21001.3242677694. The cubic root of 441055621 is about 761.1982603831.

It can be divided in two parts, 4410 and 55621, that added together give a triangular number (60031 = T₃₄₆).

The spelling of 441055621 in words is "four hundred forty-one million, fifty-five thousand, six hundred twenty-one".