1404324040 has 128 divisors (see below), whose sum is σ = 3707285760. Its totient is φ = 468808704.

The previous prime is 1404324037. The next prime is 1404324071. The reversal of 1404324040 is 404234041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2567047 + ... + 2567593.

It is an arithmetic number, because the mean of its divisors is an integer number (28963170).

Almost surely, 2^1404324040 is an apocalyptic number.

1404324040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404324040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853642880).

1404324040 is an abundant number, since it is smaller than the sum of its proper divisors (2302961720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1404324040 is a wasteful number, since it uses less digits than its factorization.

1404324040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1404324040 is about 37474.3117348404. The cubic root of 1404324040 is about 1119.8394859254.

Adding to 1404324040 its reverse (404234041), we get a palindrome (1808558081).

It can be divided in two parts, 14043 and 24040, that added together give a palindrome (38083).

The spelling of 1404324040 in words is "one billion, four hundred four million, three hundred twenty-four thousand, forty".