1414440443440 has 80 divisors (see below), whose sum is σ = 3359824957440. Its totient is φ = 553527141120.

The previous prime is 1414440443413. The next prime is 1414440443447. The reversal of 1414440443440 is 443440444141.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 1414440443440.

It is not an unprimeable number, because it can be changed into a prime (1414440443447) 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, 9972541 + ... + 10113379.

It is an arithmetic number, because the mean of its divisors is an integer number (41997811968).

Almost surely, 2^{1414440443440} is an apocalyptic number.

1414440443440 is a gapful number since it is divisible by the number (10) 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 1414440443440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679912478720).

1414440443440 is an abundant number, since it is smaller than the sum of its proper divisors (1945384514000).

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

1414440443440 is a wasteful number, since it uses less digits than its factorization.

1414440443440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143570 (or 143564 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 1414440443440 its reverse (443440444141), we get a palindrome (1857880887581).

The spelling of 1414440443440 in words is "one trillion, four hundred fourteen billion, four hundred forty million, four hundred forty-three thousand, four hundred forty".