40543342542 has 48 divisors (see below), whose sum is σ = 89185503888. Its totient is φ = 13308624000.

The previous prime is 40543342487. The next prime is 40543342547. The reversal of 40543342542 is 24524334504.

40543342542 is a `hidden beast` number, since 40 + 5 + 4 + 33 + 42 + 542 = 666.

40543342542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40543342497 and 40543342506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40543342547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 834417 + ... + 881667.

It is an arithmetic number, because the mean of its divisors is an integer number (1858031331).

Almost surely, 2^40543342542 is an apocalyptic number.

40543342542 is an abundant number, since it is smaller than the sum of its proper divisors (48642161346).

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

40543342542 is a wasteful number, since it uses less digits than its factorization.

40543342542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47985 (or 47982 counting only the distinct ones).

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

The spelling of 40543342542 in words is "forty billion, five hundred forty-three million, three hundred forty-two thousand, five hundred forty-two".