40857535224221 has 8 divisors (see below), whose sum is σ = 40956617278080. Its totient is φ = 40758499881792.

The previous prime is 40857535224203. The next prime is 40857535224229. The reversal of 40857535224221 is 12242253575804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40857535224221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40857535224221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40857535224229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9926060 + ... + 13425413.

It is an arithmetic number, because the mean of its divisors is an integer number (5119577159760).

Almost surely, 2^{40857535224221} is an apocalyptic number.

It is an amenable number.

40857535224221 is a deficient number, since it is larger than the sum of its proper divisors (99082053859).

40857535224221 is a wasteful number, since it uses less digits than its factorization.

40857535224221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23355715.

The product of its (nonzero) digits is 5376000, while the sum is 50.

The spelling of 40857535224221 in words is "forty trillion, eight hundred fifty-seven billion, five hundred thirty-five million, two hundred twenty-four thousand, two hundred twenty-one".