40043000541 has 4 divisors (see below), whose sum is σ = 53390667392. Its totient is φ = 26695333692.

The previous prime is 40043000531. The next prime is 40043000573. The reversal of 40043000541 is 14500034004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40043000541 - 2¹³ = 40042992349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40043000531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6673833421 + ... + 6673833426.

It is an arithmetic number, because the mean of its divisors is an integer number (13347666848).

Almost surely, 2^40043000541 is an apocalyptic number.

It is an amenable number.

40043000541 is a deficient number, since it is larger than the sum of its proper divisors (13347666851).

40043000541 is a wasteful number, since it uses less digits than its factorization.

40043000541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13347666850.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 40043000541 its reverse (14500034004), we get a palindrome (54543034545).

The spelling of 40043000541 in words is "forty billion, forty-three million, five hundred forty-one", and thus it is an aban number.