4044440040440 has 64 divisors (see below), whose sum is σ = 9121695768000. Its totient is φ = 1613918380032.

The previous prime is 4044440040409. The next prime is 4044440040493. The reversal of 4044440040440 is 440400444404.

It is a junction number, because it is equal to n+sod(n) for n = 4044440040397 and 4044440040406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148389854 + ... + 148417106.

It is an arithmetic number, because the mean of its divisors is an integer number (142526496375).

Almost surely, 2^{4044440040440} is an apocalyptic number.

4044440040440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4044440040440 is an abundant number, since it is smaller than the sum of its proper divisors (5077255727560).

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

4044440040440 is a wasteful number, since it uses less digits than its factorization.

4044440040440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35976 (or 35972 counting only the distinct ones).

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

Adding to 4044440040440 its reverse (440400444404), we get a palindrome (4484840484844).

The spelling of 4044440040440 in words is "four trillion, forty-four billion, four hundred forty million, forty thousand, four hundred forty".