40543426632 has 32 divisors (see below), whose sum is σ = 104628199680. Its totient is φ = 13078524480.

The previous prime is 40543426613. The next prime is 40543426639. The reversal of 40543426632 is 23662434504.

It is not an unprimeable number, because it can be changed into a prime (40543426639) 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, 27246183 + ... + 27247670.

It is an arithmetic number, because the mean of its divisors is an integer number (3269631240).

Almost surely, 2^40543426632 is an apocalyptic number.

It is an amenable number.

40543426632 is an abundant number, since it is smaller than the sum of its proper divisors (64084773048).

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

40543426632 is a wasteful number, since it uses less digits than its factorization.

40543426632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54493893 (or 54493889 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

The spelling of 40543426632 in words is "forty billion, five hundred forty-three million, four hundred twenty-six thousand, six hundred thirty-two".