40543254342 has 24 divisors (see below), whose sum is σ = 89986249080. Its totient is φ = 13184797920.

The previous prime is 40543254319. The next prime is 40543254343. The reversal of 40543254342 is 24345234504.

40543254342 is a `hidden beast` number, since 40 + 5 + 4 + 32 + 543 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 40543254297 and 40543254306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40543254343) 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 11 ways as a sum of consecutive naturals, for example, 27467592 + ... + 27469067.

It is an arithmetic number, because the mean of its divisors is an integer number (3749427045).

Almost surely, 2^40543254342 is an apocalyptic number.

40543254342 is an abundant number, since it is smaller than the sum of its proper divisors (49442994738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40543254342 is a wasteful number, since it uses less digits than its factorization.

40543254342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54936708 (or 54936705 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 40543254342 its reverse (24345234504), we get a palindrome (64888488846).

The spelling of 40543254342 in words is "forty billion, five hundred forty-three million, two hundred fifty-four thousand, three hundred forty-two".