440999999999901 has 24 divisors (see below), whose sum is σ = 644722470756000. Its totient is φ = 290436307695456.

The previous prime is 440999999999899. The next prime is 440999999999947. The reversal of 440999999999901 is 109999999999044.

It is not a de Polignac number, because 440999999999901 - 2¹ = 440999999999899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440999999999793 and 440999999999802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440999999999201) 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, 11783106 + ... + 31950611.

It is an arithmetic number, because the mean of its divisors is an integer number (26863436281500).

Almost surely, 2^{440999999999901} is an apocalyptic number.

It is an amenable number.

440999999999901 is a deficient number, since it is larger than the sum of its proper divisors (203722470756099).

440999999999901 is a wasteful number, since it uses less digits than its factorization.

440999999999901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43747305 (or 43747302 counting only the distinct ones).

The product of its (nonzero) digits is 55788550416, while the sum is 99.

Adding to 440999999999901 its sum of digits (99), we get a square (441000000000000 = 21000000²).

The spelling of 440999999999901 in words is "four hundred forty trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred one".