40368654612 has 480 divisors, whose sum is σ = 129090931200. Its totient is φ = 10836633600.

The previous prime is 40368654581. The next prime is 40368654619. The reversal of 40368654612 is 21645686304.

40368654612 is a `hidden beast` number, since 40 + 3 + 68 + 6 + 546 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40368654619) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 150069214 + ... + 150069482.

It is an arithmetic number, because the mean of its divisors is an integer number (268939440).

Almost surely, 2^40368654612 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 40368654612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64545465600).

40368654612 is an abundant number, since it is smaller than the sum of its proper divisors (88722276588).

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

40368654612 is a wasteful number, since it uses less digits than its factorization.

40368654612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 40368654612 in words is "forty billion, three hundred sixty-eight million, six hundred fifty-four thousand, six hundred twelve".