1374440405 has 16 divisors (see below), whose sum is σ = 1792504560. Its totient is φ = 1005654528.

The previous prime is 1374440401. The next prime is 1374440437. The reversal of 1374440405 is 5040444731.

It can be written as a sum of positive squares in 8 ways, for example, as 552049 + 1373888356 = 743^2 + 37066^2 .

It is a cyclic number.

It is not a de Polignac number, because 1374440405 - 2² = 1374440401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374440401) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 89912 + ... + 104081.

It is an arithmetic number, because the mean of its divisors is an integer number (112031535).

Almost surely, 2^1374440405 is an apocalyptic number.

It is an amenable number.

1374440405 is a deficient number, since it is larger than the sum of its proper divisors (418064155).

1374440405 is a wasteful number, since it uses less digits than its factorization.

1374440405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194120.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 1374440405 is about 37073.4460901600. The cubic root of 1374440405 is about 1111.8391729199.

The spelling of 1374440405 in words is "one billion, three hundred seventy-four million, four hundred forty thousand, four hundred five".