1404352340 has 12 divisors (see below), whose sum is σ = 2949139956. Its totient is φ = 561740928.

The previous prime is 1404352321. The next prime is 1404352349. The reversal of 1404352340 is 432534041.

It can be written as a sum of positive squares in 2 ways, for example, as 1051964356 + 352387984 = 32434^2 + 18772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404352349) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35108789 + ... + 35108828.

It is an arithmetic number, because the mean of its divisors is an integer number (245761663).

Almost surely, 2^1404352340 is an apocalyptic number.

1404352340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1404352340 is an abundant number, since it is smaller than the sum of its proper divisors (1544787616).

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

1404352340 is a wasteful number, since it uses less digits than its factorization.

1404352340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70217626 (or 70217624 counting only the distinct ones).

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

The square root of 1404352340 is about 37474.6893249297. The cubic root of 1404352340 is about 1119.8470082265.

Adding to 1404352340 its reverse (432534041), we get a palindrome (1836886381).

The spelling of 1404352340 in words is "one billion, four hundred four million, three hundred fifty-two thousand, three hundred forty".