1440411221234 has 8 divisors (see below), whose sum is σ = 2160639714348. Its totient is φ = 720197983120.

The previous prime is 1440411221231. The next prime is 1440411221239. The reversal of 1440411221234 is 4321221140441.

It can be written as a sum of positive squares in 2 ways, for example, as 1285155520609 + 155255700625 = 1133647^2 + 394025^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1440411221197 and 1440411221206.

It is not an unprimeable number, because it can be changed into a prime (1440411221231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3574697 + ... + 3957180.

Almost surely, 2^{1440411221234} is an apocalyptic number.

1440411221234 is a deficient number, since it is larger than the sum of its proper divisors (720228493114).

1440411221234 is an equidigital number, since it uses as much as digits as its factorization.

1440411221234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7627500.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1440411221234 its reverse (4321221140441), we get a palindrome (5761632361675).

The spelling of 1440411221234 in words is "one trillion, four hundred forty billion, four hundred eleven million, two hundred twenty-one thousand, two hundred thirty-four".