40043033541 has 12 divisors (see below), whose sum is σ = 66102785632. Its totient is φ = 22881733416.

The previous prime is 40043033531. The next prime is 40043033543. The reversal of 40043033541 is 14533034004.

40043033541 is a `hidden beast` number, since 4 + 0 + 0 + 4 + 303 + 354 + 1 = 666.

It is not a de Polignac number, because 40043033541 - 2¹³ = 40043025349 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 (40043033543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317801791 + ... + 317801916.

Almost surely, 2^40043033541 is an apocalyptic number.

It is an amenable number.

40043033541 is a deficient number, since it is larger than the sum of its proper divisors (26059752091).

40043033541 is a wasteful number, since it uses less digits than its factorization.

40043033541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635603720 (or 635603717 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 40043033541 its reverse (14533034004), we get a palindrome (54576067545).

The spelling of 40043033541 in words is "forty billion, forty-three million, thirty-three thousand, five hundred forty-one".