4451403105440 has 192 divisors, whose sum is σ = 10721923914240. Its totient is φ = 1746033484800.

The previous prime is 4451403105407. The next prime is 4451403105469. The reversal of 4451403105440 is 445013041544.

It is a self number, because there is not a number n which added to its sum of digits gives 4451403105440.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3067816715 + ... + 3067818165.

It is an arithmetic number, because the mean of its divisors is an integer number (55843353720).

Almost surely, 2^{4451403105440} is an apocalyptic number.

4451403105440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4451403105440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5360961957120).

4451403105440 is an abundant number, since it is smaller than the sum of its proper divisors (6270520808800).

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

4451403105440 is a wasteful number, since it uses less digits than its factorization.

4451403105440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635 (or 2627 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 4451403105440 its reverse (445013041544), we get a palindrome (4896416146984).

The spelling of 4451403105440 in words is "four trillion, four hundred fifty-one billion, four hundred three million, one hundred five thousand, four hundred forty".