1340448925 has 12 divisors (see below), whose sum is σ = 1666008820. Its totient is φ = 1069873920.

The previous prime is 1340448911. The next prime is 1340448931. The reversal of 1340448925 is 5298440431.

It can be written as a sum of positive squares in 6 ways, for example, as 157226521 + 1183222404 = 12539^2 + 34398^2 .

It is not a de Polignac number, because 1340448925 - 2⁷ = 1340448797 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51090 + ... + 72739.

Almost surely, 2^1340448925 is an apocalyptic number.

It is an amenable number.

1340448925 is a deficient number, since it is larger than the sum of its proper divisors (325559895).

1340448925 is a wasteful number, since it uses less digits than its factorization.

1340448925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124272 (or 124267 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1340448925 is about 36612.1417701833. The cubic root of 1340448925 is about 1102.5968741309.

The spelling of 1340448925 in words is "one billion, three hundred forty million, four hundred forty-eight thousand, nine hundred twenty-five".