41781912912 has 160 divisors (see below), whose sum is σ = 128312720000. Its totient is φ = 12977832960.

The previous prime is 41781912901. The next prime is 41781912917. The reversal of 41781912912 is 21921918714.

41781912912 is a `hidden beast` number, since 4 + 178 + 191 + 291 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41781912917) 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 31 ways as a sum of consecutive naturals, for example, 458964 + ... + 542412.

It is an arithmetic number, because the mean of its divisors is an integer number (801954500).

Almost surely, 2^41781912912 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 41781912912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64156360000).

41781912912 is an abundant number, since it is smaller than the sum of its proper divisors (86530807088).

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

41781912912 is a wasteful number, since it uses less digits than its factorization.

41781912912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83546 (or 83534 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The spelling of 41781912912 in words is "forty-one billion, seven hundred eighty-one million, nine hundred twelve thousand, nine hundred twelve".