40534405542 has 48 divisors (see below), whose sum is σ = 89898082560. Its totient is φ = 13192680816.

The previous prime is 40534405537. The next prime is 40534405543. The reversal of 40534405542 is 24550443504.

40534405542 is a `hidden beast` number, since 40 + 5 + 34 + 40 + 5 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 40534405497 and 40534405506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40534405543) 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, 2784559 + ... + 2799077.

It is an arithmetic number, because the mean of its divisors is an integer number (1872876720).

Almost surely, 2^40534405542 is an apocalyptic number.

40534405542 is an abundant number, since it is smaller than the sum of its proper divisors (49363677018).

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

40534405542 is a wasteful number, since it uses less digits than its factorization.

40534405542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18177 (or 18174 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 40534405542 in words is "forty billion, five hundred thirty-four million, four hundred five thousand, five hundred forty-two".