1401344043 has 32 divisors (see below), whose sum is σ = 2093478912. Its totient is φ = 826425600.

The previous prime is 1401344027. The next prime is 1401344053. The reversal of 1401344043 is 3404431041.

It is not a de Polignac number, because 1401344043 - 2⁴ = 1401344027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401344053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 625321 + ... + 627557.

It is an arithmetic number, because the mean of its divisors is an integer number (65421216).

Almost surely, 2^1401344043 is an apocalyptic number.

1401344043 is a deficient number, since it is larger than the sum of its proper divisors (692134869).

1401344043 is a wasteful number, since it uses less digits than its factorization.

1401344043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1401344043 is about 37434.5300892104. The cubic root of 1401344043 is about 1119.0468194961.

Adding to 1401344043 its reverse (3404431041), we get a palindrome (4805775084).

The spelling of 1401344043 in words is "one billion, four hundred one million, three hundred forty-four thousand, forty-three".