1401340401 has 12 divisors (see below), whose sum is σ = 2024534980. Its totient is φ = 934053120.

The previous prime is 1401340387. The next prime is 1401340429. The reversal of 1401340401 is 1040431041.

It can be written as a sum of positive squares in 2 ways, for example, as 281434176 + 1119906225 = 16776^2 + 33465^2 .

It is not a de Polignac number, because 1401340401 - 2⁷ = 1401340273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401340471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53241 + ... + 75081.

Almost surely, 2^1401340401 is an apocalyptic number.

It is an amenable number.

1401340401 is a deficient number, since it is larger than the sum of its proper divisors (623194579).

1401340401 is a wasteful number, since it uses less digits than its factorization.

1401340401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28976 (or 28973 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1401340401 is about 37434.4814442514. The cubic root of 1401340401 is about 1119.0458500525.

Adding to 1401340401 its reverse (1040431041), we get a palindrome (2441771442).

The spelling of 1401340401 in words is "one billion, four hundred one million, three hundred forty thousand, four hundred one".