40536447541 has 16 divisors (see below), whose sum is σ = 43148851200. Its totient is φ = 37974150000.

The previous prime is 40536447527. The next prime is 40536447607. The reversal of 40536447541 is 14574463504.

It is a cyclic number.

It is not a de Polignac number, because 40536447541 - 2²³ = 40528058933 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 (40536447641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632316 + ... + 693466.

It is an arithmetic number, because the mean of its divisors is an integer number (2696803200).

Almost surely, 2^40536447541 is an apocalyptic number.

It is an amenable number.

40536447541 is a deficient number, since it is larger than the sum of its proper divisors (2612403659).

40536447541 is a wasteful number, since it uses less digits than its factorization.

40536447541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61560.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 40536447541 in words is "forty billion, five hundred thirty-six million, four hundred forty-seven thousand, five hundred forty-one".