40342534505 has 64 divisors (see below), whose sum is σ = 63309496320. Its totient is φ = 24032074752.

The previous prime is 40342534501. The next prime is 40342534523. The reversal of 40342534505 is 50543524304.

It is not a de Polignac number, because 40342534505 - 2² = 40342534501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (40342534501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2226392 + ... + 2244438.

It is an arithmetic number, because the mean of its divisors is an integer number (989210880).

Almost surely, 2^40342534505 is an apocalyptic number.

It is an amenable number.

40342534505 is a deficient number, since it is larger than the sum of its proper divisors (22966961815).

40342534505 is a wasteful number, since it uses less digits than its factorization.

40342534505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18123 (or 18089 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 40342534505 in words is "forty billion, three hundred forty-two million, five hundred thirty-four thousand, five hundred five".