1404064036 has 36 divisors (see below), whose sum is σ = 2529615900. Its totient is φ = 681887808.

The previous prime is 1404064019. The next prime is 1404064037. The reversal of 1404064036 is 6304604041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1096272100 + 307791936 = 33110^2 + 17544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1404063995 and 1404064013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404064037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1693270 + ... + 1694098.

Almost surely, 2^1404064036 is an apocalyptic number.

It is an amenable number.

1404064036 is a deficient number, since it is larger than the sum of its proper divisors (1125551864).

1404064036 is a wasteful number, since it uses less digits than its factorization.

1404064036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1404064036 is about 37470.8424778520. The cubic root of 1404064036 is about 1119.7703706528.

Adding to 1404064036 its reverse (6304604041), we get a palindrome (7708668077).

The spelling of 1404064036 in words is "one billion, four hundred four million, sixty-four thousand, thirty-six".