40868528607252 has 120 divisors (see below), whose sum is σ = 110322953959680. Its totient is φ = 13178836235520.

The previous prime is 40868528607223. The next prime is 40868528607253. The reversal of 40868528607252 is 25270682586804.

It is a happy number.

40868528607252 is a `hidden beast` number, since 4 + 0 + 86 + 8 + 528 + 6 + 0 + 7 + 25 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 40868528607252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40868528607253) 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 39 ways as a sum of consecutive naturals, for example, 28395199 + ... + 29799737.

It is an arithmetic number, because the mean of its divisors is an integer number (919357949664).

Almost surely, 2^{40868528607252} 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 40868528607252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55161476979840).

40868528607252 is an abundant number, since it is smaller than the sum of its proper divisors (69454425352428).

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

40868528607252 is a wasteful number, since it uses less digits than its factorization.

40868528607252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407483 (or 1407472 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 63.

The spelling of 40868528607252 in words is "forty trillion, eight hundred sixty-eight billion, five hundred twenty-eight million, six hundred seven thousand, two hundred fifty-two".