40041115542 has 48 divisors (see below), whose sum is σ = 87310388880. Its totient is φ = 13261971456.

The previous prime is 40041115523. The next prime is 40041115547. The reversal of 40041115542 is 24551114004.

40041115542 is a `hidden beast` number, since 4 + 0 + 0 + 4 + 1 + 115 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40041115547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1881453 + ... + 1902615.

It is an arithmetic number, because the mean of its divisors is an integer number (1818966435).

Almost surely, 2^40041115542 is an apocalyptic number.

40041115542 is an abundant number, since it is smaller than the sum of its proper divisors (47269273338).

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

40041115542 is a wasteful number, since it uses less digits than its factorization.

40041115542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21837 (or 21834 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 40041115542 its reverse (24551114004), we get a palindrome (64592229546).

The spelling of 40041115542 in words is "forty billion, forty-one million, one hundred fifteen thousand, five hundred forty-two".