1344665770 has 32 divisors (see below), whose sum is σ = 2825031168. Its totient is φ = 451218048.

The previous prime is 1344665759. The next prime is 1344665789. The reversal of 1344665770 is 775664431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201067 + ... + 207646.

It is an arithmetic number, because the mean of its divisors is an integer number (88282224).

Almost surely, 2^1344665770 is an apocalyptic number.

1344665770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1344665770 is an abundant number, since it is smaller than the sum of its proper divisors (1480365398).

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

1344665770 is a wasteful number, since it uses less digits than its factorization.

1344665770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408774.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 1344665770 is about 36669.6846182238. The cubic root of 1344665770 is about 1103.7518635818.

The spelling of 1344665770 in words is "one billion, three hundred forty-four million, six hundred sixty-five thousand, seven hundred seventy".