1421144411240 has 32 divisors (see below), whose sum is σ = 3207790847880. Its totient is φ = 566641600512.

The previous prime is 1421144411233. The next prime is 1421144411261. The reversal of 1421144411240 is 421144411241.

It can be written as a sum of positive squares in 4 ways, for example, as 552218416996 + 868925994244 = 743114^2 + 932162^2 .

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, 56742449 + ... + 56767488.

Almost surely, 2^{1421144411240} is an apocalyptic number.

1421144411240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421144411240 is an abundant number, since it is smaller than the sum of its proper divisors (1786646436640).

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

1421144411240 is a wasteful number, since it uses less digits than its factorization.

1421144411240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113510261 (or 113510257 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

Adding to 1421144411240 its reverse (421144411241), we get a palindrome (1842288822481).

Subtracting from 1421144411240 its reverse (421144411241), we obtain a palindrome (999999999999).

The spelling of 1421144411240 in words is "one trillion, four hundred twenty-one billion, one hundred forty-four million, four hundred eleven thousand, two hundred forty".