1344609630 has 288 divisors, whose sum is σ = 4411008576. Its totient is φ = 278194176.

The previous prime is 1344609599. The next prime is 1344609659. The reversal of 1344609630 is 369064431.

1344609630 is a `hidden beast` number, since 1 + 3 + 44 + 609 + 6 + 3 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7772224 + ... + 7772396.

It is an arithmetic number, because the mean of its divisors is an integer number (15316002).

Almost surely, 2^1344609630 is an apocalyptic number.

1344609630 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 1344609630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2205504288).

1344609630 is an abundant number, since it is smaller than the sum of its proper divisors (3066398946).

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

1344609630 is a wasteful number, since it uses less digits than its factorization.

1344609630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 1344609630 is about 36668.9191277845. The cubic root of 1344609630 is about 1103.7365027654.

The spelling of 1344609630 in words is "one billion, three hundred forty-four million, six hundred nine thousand, six hundred thirty".