1401244420244 has 12 divisors (see below), whose sum is σ = 2492377370868. Its totient is φ = 689136600000.

The previous prime is 1401244420123. The next prime is 1401244420259. The reversal of 1401244420244 is 4420244421041.

It can be written as a sum of positive squares in 2 ways, for example, as 636424208644 + 764820211600 = 797762^2 + 874540^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1401244420244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2871402257 + ... + 2871402744.

It is an arithmetic number, because the mean of its divisors is an integer number (207698114239).

Almost surely, 2^{1401244420244} is an apocalyptic number.

It is an amenable number.

1401244420244 is a deficient number, since it is larger than the sum of its proper divisors (1091132950624).

1401244420244 is a wasteful number, since it uses less digits than its factorization.

1401244420244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742805066 (or 5742805064 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 1401244420244 its reverse (4420244421041), we get a palindrome (5821488841285).

The spelling of 1401244420244 in words is "one trillion, four hundred one billion, two hundred forty-four million, four hundred twenty thousand, two hundred forty-four".