40242315020 has 24 divisors (see below), whose sum is σ = 88956697200. Its totient is φ = 15249719232.

The previous prime is 40242314971. The next prime is 40242315031. The reversal of 40242315020 is 2051324204.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 52950035 + ... + 52950794.

It is an arithmetic number, because the mean of its divisors is an integer number (3706529050).

Almost surely, 2^40242315020 is an apocalyptic number.

It is an amenable number.

40242315020 is an abundant number, since it is smaller than the sum of its proper divisors (48714382180).

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

40242315020 is a wasteful number, since it uses less digits than its factorization.

40242315020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105900857 (or 105900855 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 40242315020 its reverse (2051324204), we get a palindrome (42293639224).

The spelling of 40242315020 in words is "forty billion, two hundred forty-two million, three hundred fifteen thousand, twenty".