40540550505 has 64 divisors (see below), whose sum is σ = 84529847808. Its totient is φ = 16100904960.

The previous prime is 40540550503. The next prime is 40540550579. The reversal of 40540550505 is 50505504504.

It is not a de Polignac number, because 40540550505 - 2¹ = 40540550503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40540550503) 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 63 ways as a sum of consecutive naturals, for example, 850326 + ... + 896735.

It is an arithmetic number, because the mean of its divisors is an integer number (1320778872).

Almost surely, 2^40540550505 is an apocalyptic number.

It is an amenable number.

40540550505 is an abundant number, since it is smaller than the sum of its proper divisors (43989297303).

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

40540550505 is a wasteful number, since it uses less digits than its factorization.

40540550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747106.

The product of its (nonzero) digits is 50000, while the sum is 33.

The spelling of 40540550505 in words is "forty billion, five hundred forty million, five hundred fifty thousand, five hundred five".