441400520001 has 16 divisors (see below), whose sum is σ = 672935472000. Its totient is φ = 252106935168.

The previous prime is 441400519961. The next prime is 441400520003. The reversal of 441400520001 is 100025004144.

It is a happy number.

It is not a de Polignac number, because 441400520001 - 2¹¹ = 441400517953 is a prime.

It is a super-3 number, since 3×441400520001³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 441400520001.

It is not an unprimeable number, because it can be changed into a prime (441400520003) 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, 5036076 + ... + 5122973.

It is an arithmetic number, because the mean of its divisors is an integer number (42058467000).

Almost surely, 2^441400520001 is an apocalyptic number.

It is an amenable number.

441400520001 is a deficient number, since it is larger than the sum of its proper divisors (231534951999).

441400520001 is a wasteful number, since it uses less digits than its factorization.

441400520001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161128.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 441400520001 its reverse (100025004144), we get a palindrome (541425524145).

The spelling of 441400520001 in words is "four hundred forty-one billion, four hundred million, five hundred twenty thousand, one".