40501412543 has 2 divisors, whose sum is σ = 40501412544. Its totient is φ = 40501412542.

The previous prime is 40501412533. The next prime is 40501412569. The reversal of 40501412543 is 34521410504.

40501412543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40501412543 - 2¹⁸ = 40501150399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40501412533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20250706271 + 20250706272.

It is an arithmetic number, because the mean of its divisors is an integer number (20250706272).

Almost surely, 2^40501412543 is an apocalyptic number.

40501412543 is a deficient number, since it is larger than the sum of its proper divisors (1).

40501412543 is an equidigital number, since it uses as much as digits as its factorization.

40501412543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 40501412543 in words is "forty billion, five hundred one million, four hundred twelve thousand, five hundred forty-three".