1344040740 has 216 divisors, whose sum is σ = 4950883392. Its totient is φ = 289059840.

The previous prime is 1344040729. The next prime is 1344040751. The reversal of 1344040740 is 470404431.

It is an interprime number because it is at equal distance from previous prime (1344040729) and next prime (1344040751).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 362295 + ... + 365985.

Almost surely, 2^1344040740 is an apocalyptic number.

1344040740 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 1344040740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2475441696).

1344040740 is an abundant number, since it is smaller than the sum of its proper divisors (3606842652).

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

1344040740 is a wasteful number, since it uses less digits than its factorization.

1344040740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747 (or 3725 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 1344040740 is about 36661.1611927391. The cubic root of 1344040740 is about 1103.5808210917.

The spelling of 1344040740 in words is "one billion, three hundred forty-four million, forty thousand, seven hundred forty".