1404320430 has 96 divisors (see below), whose sum is σ = 3560505984. Its totient is φ = 354426688.

The previous prime is 1404320413. The next prime is 1404320441. The reversal of 1404320430 is 340234041.

It is a junction number, because it is equal to n+sod(n) for n = 1404320397 and 1404320406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1697677 + ... + 1698503.

It is an arithmetic number, because the mean of its divisors is an integer number (37088604).

Almost surely, 2^1404320430 is an apocalyptic number.

1404320430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404320430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780252992).

1404320430 is an abundant number, since it is smaller than the sum of its proper divisors (2156185554).

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

1404320430 is a wasteful number, since it uses less digits than its factorization.

1404320430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1404320430 is about 37474.2635684812. The cubic root of 1404320430 is about 1119.8385263596.

Adding to 1404320430 its reverse (340234041), we get a palindrome (1744554471).

The spelling of 1404320430 in words is "one billion, four hundred four million, three hundred twenty thousand, four hundred thirty".