40068864000 has 1536 divisors, whose sum is σ = 176620953600. Its totient is φ = 8847360000.

The previous prime is 40068863971. The next prime is 40068864019. The reversal of 40068864000 is 46886004.

40068864000 is a `hidden beast` number, since 4 + 0 + 0 + 6 + 8 + 8 + 640 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1536).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 1292543985 + ... + 1292544015.

It is an arithmetic number, because the mean of its divisors is an integer number (114987600).

Almost surely, 2^40068864000 is an apocalyptic number.

40068864000 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 40068864000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88310476800).

40068864000 is an abundant number, since it is smaller than the sum of its proper divisors (136552089600).

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

40068864000 is a wasteful number, since it uses less digits than its factorization.

40068864000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 40068864000 in words is "forty billion, sixty-eight million, eight hundred sixty-four thousand".