1344293740 has 24 divisors (see below), whose sum is σ = 2834838720. Its totient is φ = 535465728.

The previous prime is 1344293693. The next prime is 1344293761. The reversal of 1344293740 is 473924431.

It is a self number, because there is not a number n which added to its sum of digits gives 1344293740.

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, 135837 + ... + 145396.

It is an arithmetic number, because the mean of its divisors is an integer number (118118280).

Almost surely, 2^1344293740 is an apocalyptic number.

1344293740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344293740 is an abundant number, since it is smaller than the sum of its proper divisors (1490544980).

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

1344293740 is a wasteful number, since it uses less digits than its factorization.

1344293740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281481 (or 281479 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 1344293740 is about 36664.6115484673. The cubic root of 1344293740 is about 1103.6500621551.

The spelling of 1344293740 in words is "one billion, three hundred forty-four million, two hundred ninety-three thousand, seven hundred forty".