40522105620 has 144 divisors (see below), whose sum is σ = 127046949120. Its totient is φ = 10448379648.

The previous prime is 40522105609. The next prime is 40522105621. The reversal of 40522105620 is 2650122504.

40522105620 is a `hidden beast` number, since 4 + 0 + 5 + 22 + 10 + 5 + 620 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40522105621) 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 47 ways as a sum of consecutive naturals, for example, 673326 + ... + 731034.

It is an arithmetic number, because the mean of its divisors is an integer number (882270480).

Almost surely, 2^40522105620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40522105620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63523474560).

40522105620 is an abundant number, since it is smaller than the sum of its proper divisors (86524843500).

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

40522105620 is a wasteful number, since it uses less digits than its factorization.

40522105620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57854 (or 57849 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 40522105620 in words is "forty billion, five hundred twenty-two million, one hundred five thousand, six hundred twenty".