1344100340 has 48 divisors (see below), whose sum is σ = 3116352960. Its totient is φ = 482868480.

The previous prime is 1344100301. The next prime is 1344100349. The reversal of 1344100340 is 430014431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344100349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18545 + ... + 55064.

It is an arithmetic number, because the mean of its divisors is an integer number (64924020).

Almost surely, 2^1344100340 is an apocalyptic number.

1344100340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344100340 is an abundant number, since it is smaller than the sum of its proper divisors (1772252620).

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

1344100340 is a wasteful number, since it uses less digits than its factorization.

1344100340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73712 (or 73710 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1344100340 is about 36661.9740330496. The cubic root of 1344100340 is about 1103.5971332075.

Adding to 1344100340 its reverse (430014431), we get a palindrome (1774114771).

The spelling of 1344100340 in words is "one billion, three hundred forty-four million, one hundred thousand, three hundred forty".