1344468890 has 16 divisors (see below), whose sum is σ = 2425968360. Its totient is φ = 536471040.

The previous prime is 1344468877. The next prime is 1344468907. The reversal of 1344468890 is 988644431.

It is a Cunningham number, because it is equal to 36667²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1228712809 + 115756081 = 35053^2 + 10759^2 .

It is a Curzon number.

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, 160271 + ... + 168450.

Almost surely, 2^1344468890 is an apocalyptic number.

1344468890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1344468890 is a deficient number, since it is larger than the sum of its proper divisors (1081499470).

1344468890 is a wasteful number, since it uses less digits than its factorization.

1344468890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329137.

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 1344468890 is about 36667.0000136362. Note that the first 4 decimals coincide. The cubic root of 1344468890 is about 1103.6979921345.

The spelling of 1344468890 in words is "one billion, three hundred forty-four million, four hundred sixty-eight thousand, eight hundred ninety".