40653556543 has 8 divisors (see below), whose sum is σ = 43076317968. Its totient is φ = 38234281344.

The previous prime is 40653556523. The next prime is 40653556553. The reversal of 40653556543 is 34565535604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40653556543 - 2¹⁷ = 40653425471 is a prime.

It is a super-2 number, since 2×40653556543² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40653556493 and 40653556502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40653556523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847521 + ... + 894202.

It is an arithmetic number, because the mean of its divisors is an integer number (5384539746).

Almost surely, 2^40653556543 is an apocalyptic number.

40653556543 is a deficient number, since it is larger than the sum of its proper divisors (2422761425).

40653556543 is a wasteful number, since it uses less digits than its factorization.

40653556543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743113.

The product of its (nonzero) digits is 3240000, while the sum is 46.

The spelling of 40653556543 in words is "forty billion, six hundred fifty-three million, five hundred fifty-six thousand, five hundred forty-three".