40542550542 has 64 divisors (see below), whose sum is σ = 97643165760. Its totient is φ = 12395140992.

The previous prime is 40542550513. The next prime is 40542550549. The reversal of 40542550542 is 24505524504.

40542550542 is a `hidden beast` number, since 4 + 0 + 54 + 2 + 550 + 54 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 40542550497 and 40542550506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40542550549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73713 + ... + 294140.

It is an arithmetic number, because the mean of its divisors is an integer number (1525674465).

Almost surely, 2^40542550542 is an apocalyptic number.

40542550542 is an abundant number, since it is smaller than the sum of its proper divisors (57100615218).

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

40542550542 is a wasteful number, since it uses less digits than its factorization.

40542550542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368034 (or 368028 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The spelling of 40542550542 in words is "forty billion, five hundred forty-two million, five hundred fifty thousand, five hundred forty-two".