1401211344 has 80 divisors (see below), whose sum is σ = 3907499904. Its totient is φ = 430118400.

The previous prime is 1401211303. The next prime is 1401211369. The reversal of 1401211344 is 4431121041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401211344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285229 + ... + 290099.

Almost surely, 2^1401211344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401211344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1953749952).

1401211344 is an abundant number, since it is smaller than the sum of its proper divisors (2506288560).

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

1401211344 is a wasteful number, since it uses less digits than its factorization.

1401211344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356 (or 5350 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1401211344 is about 37432.7576328541. The cubic root of 1401211344 is about 1119.0114960074.

Adding to 1401211344 its reverse (4431121041), we get a palindrome (5832332385).

The spelling of 1401211344 in words is "one billion, four hundred one million, two hundred eleven thousand, three hundred forty-four".