1401426344 has 8 divisors (see below), whose sum is σ = 2627674410. Its totient is φ = 700713168.

The previous prime is 1401426311. The next prime is 1401426349. The reversal of 1401426344 is 4436241041.

It can be written as a sum of positive squares in only one way, i.e., 864948100 + 536478244 = 29410^2 + 23162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1401426349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87589139 + ... + 87589154.

Almost surely, 2^1401426344 is an apocalyptic number.

It is an amenable number.

1401426344 is a deficient number, since it is larger than the sum of its proper divisors (1226248066).

1401426344 is a wasteful number, since it uses less digits than its factorization.

1401426344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175178299 (or 175178295 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 1401426344 is about 37435.6293389065. The cubic root of 1401426344 is about 1119.0687262909.

Adding to 1401426344 its reverse (4436241041), we get a palindrome (5837667385).

The spelling of 1401426344 in words is "one billion, four hundred one million, four hundred twenty-six thousand, three hundred forty-four".