1402004401 has 8 divisors (see below), whose sum is σ = 1604997504. Its totient is φ = 1199688000.

The previous prime is 1402004393. The next prime is 1402004431. The reversal of 1402004401 is 1044002041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1402004401 - 2³ = 1402004393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402004431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164725 + ... + 173026.

It is an arithmetic number, because the mean of its divisors is an integer number (200624688).

Almost surely, 2^1402004401 is an apocalyptic number.

It is an amenable number.

1402004401 is a deficient number, since it is larger than the sum of its proper divisors (202993103).

1402004401 is an equidigital number, since it uses as much as digits as its factorization.

1402004401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338351.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1402004401 is about 37443.3492225255. The cubic root of 1402004401 is about 1119.2225687415. Note that the first 3 decimals are identical.

Adding to 1402004401 its reverse (1044002041), we get a palindrome (2446006442).

The spelling of 1402004401 in words is "one billion, four hundred two million, four thousand, four hundred one".