1404353420 has 48 divisors (see below), whose sum is σ = 3115808640. Its totient is φ = 530820864.

The previous prime is 1404353417. The next prime is 1404353471. The reversal of 1404353420 is 243534041.

It is a super-3 number, since 3×1404353420³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1404353420.

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 15 ways as a sum of consecutive naturals, for example, 1502 + ... + 53018.

It is an arithmetic number, because the mean of its divisors is an integer number (64912680).

Almost surely, 2^1404353420 is an apocalyptic number.

1404353420 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 1404353420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1557904320).

1404353420 is an abundant number, since it is smaller than the sum of its proper divisors (1711455220).

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

1404353420 is a wasteful number, since it uses less digits than its factorization.

1404353420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51602 (or 51600 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1404353420 is about 37474.7037346528. The cubic root of 1404353420 is about 1119.8472952946.

Adding to 1404353420 its reverse (243534041), we get a palindrome (1647887461).

The spelling of 1404353420 in words is "one billion, four hundred four million, three hundred fifty-three thousand, four hundred twenty".