1401204404 has 12 divisors (see below), whose sum is σ = 2492306628. Its totient is φ = 689116800.

The previous prime is 1401204401. The next prime is 1401204443. The reversal of 1401204404 is 4044021041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 211644304 + 1189560100 = 14548^2 + 34490^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401204401) 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, 2871077 + ... + 2871564.

It is an arithmetic number, because the mean of its divisors is an integer number (207692219).

Almost surely, 2^1401204404 is an apocalyptic number.

It is an amenable number.

1401204404 is a deficient number, since it is larger than the sum of its proper divisors (1091102224).

1401204404 is a wasteful number, since it uses less digits than its factorization.

1401204404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742706 (or 5742704 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1401204404 is about 37432.6649331837. The cubic root of 1401204404 is about 1119.0096485695.

Adding to 1401204404 its reverse (4044021041), we get a palindrome (5445225445).

The spelling of 1401204404 in words is "one billion, four hundred one million, two hundred four thousand, four hundred four".