40543929432 has 64 divisors (see below), whose sum is σ = 112647996000. Its totient is φ = 13511526912.

The previous prime is 40543929409. The next prime is 40543929487. The reversal of 40543929432 is 23492934504.

40543929432 is a `hidden beast` number, since 40 + 543 + 9 + 29 + 43 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036828 + ... + 1075220.

Almost surely, 2^40543929432 is an apocalyptic number.

It is an amenable number.

40543929432 is an abundant number, since it is smaller than the sum of its proper divisors (72104066568).

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

40543929432 is a wasteful number, since it uses less digits than its factorization.

40543929432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43297 (or 43287 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 40543929432 in words is "forty billion, five hundred forty-three million, nine hundred twenty-nine thousand, four hundred thirty-two".