1401336704 has 64 divisors (see below), whose sum is σ = 2873707200. Its totient is φ = 680263680.

The previous prime is 1401336649. The next prime is 1401336719. The reversal of 1401336704 is 4076331041.

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 1348217 + ... + 1349255.

It is an arithmetic number, because the mean of its divisors is an integer number (44901675).

Almost surely, 2^1401336704 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 1401336704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1436853600).

1401336704 is an abundant number, since it is smaller than the sum of its proper divisors (1472370496).

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

1401336704 is a wasteful number, since it uses less digits than its factorization.

1401336704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1401336704 is about 37434.4320646113. The cubic root of 1401336704 is about 1119.0448659670.

Adding to 1401336704 its reverse (4076331041), we get a palindrome (5477667745).

The spelling of 1401336704 in words is "one billion, four hundred one million, three hundred thirty-six thousand, seven hundred four".