40043011041 has 80 divisors (see below), whose sum is σ = 66390876288. Its totient is φ = 23848473600.

The previous prime is 40043011037. The next prime is 40043011049. The reversal of 40043011041 is 14011034004.

It is not a de Polignac number, because 40043011041 - 2² = 40043011037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40043011049) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 23595505 + ... + 23597201.

Almost surely, 2^40043011041 is an apocalyptic number.

It is an amenable number.

40043011041 is a deficient number, since it is larger than the sum of its proper divisors (26347865247).

40043011041 is a wasteful number, since it uses less digits than its factorization.

40043011041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 40043011041 its reverse (14011034004), we get a palindrome (54054045045).

The spelling of 40043011041 in words is "forty billion, forty-three million, eleven thousand, forty-one".