1401344411 has 4 divisors (see below), whose sum is σ = 1475099400. Its totient is φ = 1327589424.

The previous prime is 1401344393. The next prime is 1401344431. The reversal of 1401344411 is 1144431041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1401344411 - 2²² = 1397150107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401344431) 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, 36877466 + ... + 36877503.

It is an arithmetic number, because the mean of its divisors is an integer number (368774850).

Almost surely, 2^1401344411 is an apocalyptic number.

1401344411 is a deficient number, since it is larger than the sum of its proper divisors (73754989).

1401344411 is an equidigital number, since it uses as much as digits as its factorization.

1401344411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73754988.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1401344411 is about 37434.5350044581. The cubic root of 1401344411 is about 1119.0469174519.

Adding to 1401344411 its reverse (1144431041), we get a palindrome (2545775452).

The spelling of 1401344411 in words is "one billion, four hundred one million, three hundred forty-four thousand, four hundred eleven".