1401340255 has 16 divisors (see below), whose sum is σ = 1924047360. Its totient is φ = 959814432.

The previous prime is 1401340247. The next prime is 1401340261. The reversal of 1401340255 is 5520431041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1401340255 - 2³ = 1401340247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8476 + ... + 53614.

It is an arithmetic number, because the mean of its divisors is an integer number (120252960).

Almost surely, 2^1401340255 is an apocalyptic number.

1401340255 is a deficient number, since it is larger than the sum of its proper divisors (522707105).

1401340255 is an equidigital number, since it uses as much as digits as its factorization.

1401340255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46038.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1401340255 is about 37434.4794941776. The cubic root of 1401340255 is about 1119.0458111895.

Adding to 1401340255 its reverse (5520431041), we get a palindrome (6921771296).

The spelling of 1401340255 in words is "one billion, four hundred one million, three hundred forty thousand, two hundred fifty-five".