1404400612 has 12 divisors (see below), whose sum is σ = 2479451436. Its totient is φ = 695985920.

The previous prime is 1404400607. The next prime is 1404400633. The reversal of 1404400612 is 2160044041.

It can be written as a sum of positive squares in 2 ways, for example, as 144576576 + 1259824036 = 12024^2 + 35494^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553089 + ... + 1553992.

It is an arithmetic number, because the mean of its divisors is an integer number (206620953).

Almost surely, 2^1404400612 is an apocalyptic number.

It is an amenable number.

1404400612 is a deficient number, since it is larger than the sum of its proper divisors (1075050824).

1404400612 is a wasteful number, since it uses less digits than its factorization.

1404400612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107198 (or 3107196 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1404400612 is about 37475.3333807719. Note that the first 4 decimals coincide. The cubic root of 1404400612 is about 1119.8598389656.

Adding to 1404400612 its reverse (2160044041), we get a palindrome (3564444653).

The spelling of 1404400612 in words is "one billion, four hundred four million, four hundred thousand, six hundred twelve".