1344040625 has 12 divisors (see below), whose sum is σ = 1679947164. Its totient is φ = 1075230000.

The previous prime is 1344040573. The next prime is 1344040657. The reversal of 1344040625 is 5260404431.

It can be written as a sum of positive squares in 6 ways, for example, as 1304148769 + 39891856 = 36113^2 + 6316^2 .

It is not a de Polignac number, because 1344040625 - 2²⁸ = 1075605169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211922 + ... + 218171.

It is an arithmetic number, because the mean of its divisors is an integer number (139995597).

Almost surely, 2^1344040625 is an apocalyptic number.

It is an amenable number.

1344040625 is a deficient number, since it is larger than the sum of its proper divisors (335906539).

1344040625 is an frugal number, since it uses more digits than its factorization.

1344040625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430118 (or 430098 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1344040625 is about 36661.1596243218. The cubic root of 1344040625 is about 1103.5807896165.

The spelling of 1344040625 in words is "one billion, three hundred forty-four million, forty thousand, six hundred twenty-five".