40840562880 has 672 divisors, whose sum is σ = 159454169280. Its totient is φ = 9903015936.

The previous prime is 40840562827. The next prime is 40840562887. The reversal of 40840562880 is 8826504804.

40840562880 is a `hidden beast` number, since 4 + 0 + 8 + 4 + 0 + 562 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (40840562887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 609560607 + ... + 609560673.

It is an arithmetic number, because the mean of its divisors is an integer number (237282990).

Almost surely, 2^40840562880 is an apocalyptic number.

40840562880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40840562880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79727084640).

40840562880 is an abundant number, since it is smaller than the sum of its proper divisors (118613606400).

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

40840562880 is an frugal number, since it uses more digits than its factorization.

40840562880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 40840562880 in words is "forty billion, eight hundred forty million, five hundred sixty-two thousand, eight hundred eighty".