40122540440 has 32 divisors (see below), whose sum is σ = 94200749280. Its totient is φ = 15351232512.

The previous prime is 40122540421. The next prime is 40122540443. The reversal of 40122540440 is 4404522104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40122540443) 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 7 ways as a sum of consecutive naturals, for example, 21804809 + ... + 21806648.

It is an arithmetic number, because the mean of its divisors is an integer number (2943773415).

Almost surely, 2^40122540440 is an apocalyptic number.

40122540440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40122540440 is an abundant number, since it is smaller than the sum of its proper divisors (54078208840).

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

40122540440 is a wasteful number, since it uses less digits than its factorization.

40122540440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43611491 (or 43611487 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

It can be divided in two parts, 4012 and 2540440, that added together give a palindrome (2544452).

The spelling of 40122540440 in words is "forty billion, one hundred twenty-two million, five hundred forty thousand, four hundred forty".