1374440401 has 2 divisors, whose sum is σ = 1374440402. Its totient is φ = 1374440400.

The previous prime is 1374440399. The next prime is 1374440437. The reversal of 1374440401 is 1040444731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1111222225 + 263218176 = 33335^2 + 16224^2 .

It is a cyclic number.

It is not a de Polignac number, because 1374440401 - 2¹ = 1374440399 is a prime.

Together with 1374440399, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1374440401.

It is not a weakly prime, because it can be changed into another prime (1374440491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687220200 + 687220201.

It is an arithmetic number, because the mean of its divisors is an integer number (687220201).

Almost surely, 2^1374440401 is an apocalyptic number.

It is an amenable number.

1374440401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374440401 is an equidigital number, since it uses as much as digits as its factorization.

1374440401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 1374440401 is about 37073.4460362130. The cubic root of 1374440401 is about 1111.8391718414.

It can be divided in two parts, 13744 and 40401, that added together give a palindrome (54145).

The spelling of 1374440401 in words is "one billion, three hundred seventy-four million, four hundred forty thousand, four hundred one".