1344736340 has 24 divisors (see below), whose sum is σ = 2827097952. Its totient is φ = 537294240.

The previous prime is 1344736339. The next prime is 1344736357. The reversal of 1344736340 is 436374431.

It is a self number, because there is not a number n which added to its sum of digits gives 1344736340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18926 + ... + 55205.

It is an arithmetic number, because the mean of its divisors is an integer number (117795748).

Almost surely, 2^1344736340 is an apocalyptic number.

1344736340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344736340 is an abundant number, since it is smaller than the sum of its proper divisors (1482361612).

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

1344736340 is a wasteful number, since it uses less digits than its factorization.

1344736340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75047 (or 75045 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 35.

The square root of 1344736340 is about 36670.6468445813. The cubic root of 1344736340 is about 1103.7711720742.

The spelling of 1344736340 in words is "one billion, three hundred forty-four million, seven hundred thirty-six thousand, three hundred forty".