40991300608 has 44 divisors (see below), whose sum is σ = 81993403800. Its totient is φ = 20482936832.

The previous prime is 40991300599. The next prime is 40991300627. The reversal of 40991300608 is 80600319904.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1763043 + ... + 1786141.

It is an arithmetic number, because the mean of its divisors is an integer number (1863486450).

Almost surely, 2^40991300608 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 40991300608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40996701900).

40991300608 is an abundant number, since it is smaller than the sum of its proper divisors (41002103192).

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

40991300608 is a wasteful number, since it uses less digits than its factorization.

40991300608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24852 (or 24834 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 40991300608 in words is "forty billion, nine hundred ninety-one million, three hundred thousand, six hundred eight".