1405340204 has 48 divisors (see below), whose sum is σ = 2645830656. Its totient is φ = 651604800.

The previous prime is 1405340201. The next prime is 1405340221. The reversal of 1405340204 is 4020435041.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1405340204.

It is not an unprimeable number, because it can be changed into a prime (1405340201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396689 + ... + 400215.

It is an arithmetic number, because the mean of its divisors is an integer number (55121472).

Almost surely, 2^1405340204 is an apocalyptic number.

It is an amenable number.

1405340204 is a deficient number, since it is larger than the sum of its proper divisors (1240490452).

1405340204 is a wasteful number, since it uses less digits than its factorization.

1405340204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1405340204 is about 37487.8674240080. The cubic root of 1405340204 is about 1120.1095247909.

Adding to 1405340204 its reverse (4020435041), we get a palindrome (5425775245).

The spelling of 1405340204 in words is "one billion, four hundred five million, three hundred forty thousand, two hundred four".