1344020505 has 8 divisors (see below), whose sum is σ = 2150432832. Its totient is φ = 716810928.

The previous prime is 1344020497. The next prime is 1344020521. The reversal of 1344020505 is 5050204431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1344020505 - 2³ = 1344020497 is a prime.

It is a super-2 number, since 2×1344020505² = 3612782235720910050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44800669 + ... + 44800698.

It is an arithmetic number, because the mean of its divisors is an integer number (268804104).

Almost surely, 2^1344020505 is an apocalyptic number.

1344020505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1344020505 is a deficient number, since it is larger than the sum of its proper divisors (806412327).

1344020505 is an equidigital number, since it uses as much as digits as its factorization.

1344020505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89601375.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1344020505 is about 36660.8852184450. The cubic root of 1344020505 is about 1103.5752827997.

Adding to 1344020505 its reverse (5050204431), we get a palindrome (6394224936).

The spelling of 1344020505 in words is "one billion, three hundred forty-four million, twenty thousand, five hundred five".