1344641427 has 24 divisors (see below), whose sum is σ = 1959164064. Its totient is φ = 888660864.

The previous prime is 1344641339. The next prime is 1344641489. The reversal of 1344641427 is 7241464431.

1344641427 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 641 + 4 + 2 + 7 = 666.

It is not a de Polignac number, because 1344641427 - 2⁸ = 1344641171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1344641391 and 1344641400.

It is not an unprimeable number, because it can be changed into a prime (1344641497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 553738 + ... + 556160.

It is an arithmetic number, because the mean of its divisors is an integer number (81631836).

Almost surely, 2^1344641427 is an apocalyptic number.

1344641427 is a deficient number, since it is larger than the sum of its proper divisors (614522637).

1344641427 is a wasteful number, since it uses less digits than its factorization.

1344641427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939 (or 2936 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 1344641427 is about 36669.3526940414. The cubic root of 1344641427 is about 1103.7452029939.

The spelling of 1344641427 in words is "one billion, three hundred forty-four million, six hundred forty-one thousand, four hundred twenty-seven".