40547688543 has 24 divisors (see below), whose sum is σ = 61864225280. Its totient is φ = 25551424080.

The previous prime is 40547688541. The next prime is 40547688569. The reversal of 40547688543 is 34588674504.

It is a happy number.

40547688543 is a `hidden beast` number, since 40 + 5 + 476 + 88 + 54 + 3 = 666.

It is not a de Polignac number, because 40547688543 - 2¹ = 40547688541 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40547688543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40547688541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1677913 + ... + 1701906.

Almost surely, 2^40547688543 is an apocalyptic number.

40547688543 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40547688543 is a deficient number, since it is larger than the sum of its proper divisors (21316536737).

40547688543 is a wasteful number, since it uses less digits than its factorization.

40547688543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379899 (or 3379896 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 54.

The spelling of 40547688543 in words is "forty billion, five hundred forty-seven million, six hundred eighty-eight thousand, five hundred forty-three".