40305115140 has 48 divisors (see below), whose sum is σ = 113221977792. Its totient is φ = 10713015936.

The previous prime is 40305115099. The next prime is 40305115171. The reversal of 40305115140 is 4151150304.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40305115140.

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 15 ways as a sum of consecutive naturals, for example, 1075639 + ... + 1112478.

It is an arithmetic number, because the mean of its divisors is an integer number (2358791204).

Almost surely, 2^40305115140 is an apocalyptic number.

It is an amenable number.

40305115140 is an abundant number, since it is smaller than the sum of its proper divisors (72916862652).

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

40305115140 is a wasteful number, since it uses less digits than its factorization.

40305115140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188436 (or 2188434 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 40305115140 its reverse (4151150304), we get a palindrome (44456265444).

The spelling of 40305115140 in words is "forty billion, three hundred five million, one hundred fifteen thousand, one hundred forty".