40531544343 has 8 divisors (see below), whose sum is σ = 60046732400. Its totient is φ = 27021029544.

The previous prime is 40531544327. The next prime is 40531544351. The reversal of 40531544343 is 34344513504.

40531544343 is a `hidden beast` number, since 40 + 5 + 31 + 544 + 3 + 43 = 666.

It is not a de Polignac number, because 40531544343 - 2⁴ = 40531544327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40531544298 and 40531544307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40531544353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750584128 + ... + 750584181.

It is an arithmetic number, because the mean of its divisors is an integer number (7505841550).

Almost surely, 2^40531544343 is an apocalyptic number.

40531544343 is a deficient number, since it is larger than the sum of its proper divisors (19515188057).

40531544343 is a wasteful number, since it uses less digits than its factorization.

40531544343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501168318 (or 1501168312 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 40531544343 in words is "forty billion, five hundred thirty-one million, five hundred forty-four thousand, three hundred forty-three".