40240534005 has 48 divisors (see below), whose sum is σ = 83180448000. Its totient is φ = 17595857664.

The previous prime is 40240534003. The next prime is 40240534021. The reversal of 40240534005 is 50043504204.

It is not a de Polignac number, because 40240534005 - 2¹ = 40240534003 is a prime.

It is a super-2 number, since 2×40240534005² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40240534005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240534001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2769880 + ... + 2784369.

It is an arithmetic number, because the mean of its divisors is an integer number (1732926000).

Almost surely, 2^40240534005 is an apocalyptic number.

40240534005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40240534005 is an abundant number, since it is smaller than the sum of its proper divisors (42939913995).

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

40240534005 is a wasteful number, since it uses less digits than its factorization.

40240534005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554290 (or 5554287 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The spelling of 40240534005 in words is "forty billion, two hundred forty million, five hundred thirty-four thousand, five".