40542150064 has 40 divisors (see below), whose sum is σ = 85543274880. Its totient is φ = 18501508608.

The previous prime is 40542150041. The next prime is 40542150091. The reversal of 40542150064 is 46005124504.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076512 + ... + 1113535.

It is an arithmetic number, because the mean of its divisors is an integer number (2138581872).

Almost surely, 2^40542150064 is an apocalyptic number.

It is an amenable number.

40542150064 is an abundant number, since it is smaller than the sum of its proper divisors (45001124816).

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

40542150064 is a wasteful number, since it uses less digits than its factorization.

40542150064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190157 (or 2190151 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 40542150064 its reverse (46005124504), we get a palindrome (86547274568).

The spelling of 40542150064 in words is "forty billion, five hundred forty-two million, one hundred fifty thousand, sixty-four".