4442404002440 has 32 divisors (see below), whose sum is σ = 9995813939160. Its totient is φ = 1776889612800.

The previous prime is 4442404002403. The next prime is 4442404002469. The reversal of 4442404002440 is 442004042444.

It can be written as a sum of positive squares in 4 ways, for example, as 3724429094884 + 717974907556 = 1929878^2 + 847334^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4442404002397 and 4442404002406.

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, 1244381 + ... + 3230060.

Almost surely, 2^{4442404002440} is an apocalyptic number.

4442404002440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4442404002440 is an abundant number, since it is smaller than the sum of its proper divisors (5553409936720).

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

4442404002440 is a wasteful number, since it uses less digits than its factorization.

4442404002440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499273 (or 4499269 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 4442404002440 its reverse (442004042444), we get a palindrome (4884408044884).

The spelling of 4442404002440 in words is "four trillion, four hundred forty-two billion, four hundred four million, two thousand, four hundred forty".