1434664340 has 96 divisors (see below), whose sum is σ = 3272016384. Its totient is φ = 526417920.

The previous prime is 1434664339. The next prime is 1434664349. The reversal of 1434664340 is 434664341.

It is a self number, because there is not a number n which added to its sum of digits gives 1434664340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434664349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2486132 + ... + 2486708.

It is an arithmetic number, because the mean of its divisors is an integer number (34083504).

Almost surely, 2^1434664340 is an apocalyptic number.

1434664340 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 1434664340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636008192).

1434664340 is an abundant number, since it is smaller than the sum of its proper divisors (1837352044).

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

1434664340 is a wasteful number, since it uses less digits than its factorization.

1434664340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The square root of 1434664340 is about 37876.9631834444. The cubic root of 1434664340 is about 1127.8467728170.

Subtracting from 1434664340 its reverse (434664341), we obtain a palindrome (999999999).

The spelling of 1434664340 in words is "one billion, four hundred thirty-four million, six hundred sixty-four thousand, three hundred forty".