43401401444 has 12 divisors (see below), whose sum is σ = 76805851500. Its totient is φ = 21456872448.

The previous prime is 43401401399. The next prime is 43401401467. The reversal of 43401401444 is 44410410434.

It can be written as a sum of positive squares in 2 ways, for example, as 8315616100 + 35085785344 = 91190^2 + 187312^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 60956669 + ... + 60957380.

It is an arithmetic number, because the mean of its divisors is an integer number (6400487625).

Almost surely, 2^43401401444 is an apocalyptic number.

It is an amenable number.

43401401444 is a deficient number, since it is larger than the sum of its proper divisors (33404450056).

43401401444 is a wasteful number, since it uses less digits than its factorization.

43401401444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121914142 (or 121914140 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 43401401444 its reverse (44410410434), we get a palindrome (87811811878).

The spelling of 43401401444 in words is "forty-three billion, four hundred one million, four hundred one thousand, four hundred forty-four".