43981626241 has 24 divisors (see below), whose sum is σ = 51402435840. Its totient is φ = 37522044000.

The previous prime is 43981626223. The next prime is 43981626251. The reversal of 43981626241 is 14262618934.

It is not a de Polignac number, because 43981626241 - 2⁵ = 43981626209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43981626191 and 43981626200.

It is not an unprimeable number, because it can be changed into a prime (43981626251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9879066 + ... + 9883516.

It is an arithmetic number, because the mean of its divisors is an integer number (2141768160).

Almost surely, 2^43981626241 is an apocalyptic number.

It is an amenable number.

43981626241 is a deficient number, since it is larger than the sum of its proper divisors (7420809599).

43981626241 is a wasteful number, since it uses less digits than its factorization.

43981626241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365 (or 5358 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The spelling of 43981626241 in words is "forty-three billion, nine hundred eighty-one million, six hundred twenty-six thousand, two hundred forty-one".