1214443140440 has 32 divisors (see below), whose sum is σ = 2733472165680. Its totient is φ = 485603905152.

The previous prime is 1214443140397. The next prime is 1214443140461. The reversal of 1214443140440 is 440413444121.

It is a junction number, because it is equal to n+sod(n) for n = 1214443140397 and 1214443140406.

It is a congruent number.

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, 5303699 + ... + 5527938.

Almost surely, 2^{1214443140440} is an apocalyptic number.

1214443140440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214443140440 is an abundant number, since it is smaller than the sum of its proper divisors (1519029025240).

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

1214443140440 is a wasteful number, since it uses less digits than its factorization.

1214443140440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10834451 (or 10834447 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 1214443140440 its reverse (440413444121), we get a palindrome (1654856584561).

The spelling of 1214443140440 in words is "one trillion, two hundred fourteen billion, four hundred forty-three million, one hundred forty thousand, four hundred forty".