1401052443 has 64 divisors (see below), whose sum is σ = 2241331200. Its totient is φ = 777924000.

The previous prime is 1401052441. The next prime is 1401052447. The reversal of 1401052443 is 3442501041.

It is not a de Polignac number, because 1401052443 - 2¹ = 1401052441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401052441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9278418 + ... + 9278568.

It is an arithmetic number, because the mean of its divisors is an integer number (35020800).

Almost surely, 2^1401052443 is an apocalyptic number.

1401052443 is a deficient number, since it is larger than the sum of its proper divisors (840278757).

1401052443 is a wasteful number, since it uses less digits than its factorization.

1401052443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1401052443 is about 37430.6350867842. The cubic root of 1401052443 is about 1118.9691948065.

Adding to 1401052443 its reverse (3442501041), we get a palindrome (4843553484).

The spelling of 1401052443 in words is "one billion, four hundred one million, fifty-two thousand, four hundred forty-three".