43112443401 has 32 divisors (see below), whose sum is σ = 65749363200. Its totient is φ = 27899665920.

The previous prime is 43112443399. The next prime is 43112443427. The reversal of 43112443401 is 10434421134.

43112443401 is a `hidden beast` number, since 4 + 3 + 11 + 244 + 3 + 401 = 666.

It is not a de Polignac number, because 43112443401 - 2¹ = 43112443399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (43112443201) 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, 380505 + ... + 480633.

It is an arithmetic number, because the mean of its divisors is an integer number (2054667600).

Almost surely, 2^43112443401 is an apocalyptic number.

It is an amenable number.

43112443401 is a deficient number, since it is larger than the sum of its proper divisors (22636919799).

43112443401 is a wasteful number, since it uses less digits than its factorization.

43112443401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100606 (or 100600 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 43112443401 its reverse (10434421134), we get a palindrome (53546864535).

The spelling of 43112443401 in words is "forty-three billion, one hundred twelve million, four hundred forty-three thousand, four hundred one".