40252221205 has 8 divisors (see below), whose sum is σ = 55203046272. Its totient is φ = 27601523088.

The previous prime is 40252221187. The next prime is 40252221239. The reversal of 40252221205 is 50212225204.

40252221205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40252221205 - 2¹⁵ = 40252188437 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 40252221205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575031697 + ... + 575031766.

It is an arithmetic number, because the mean of its divisors is an integer number (6900380784).

Almost surely, 2^40252221205 is an apocalyptic number.

It is an amenable number.

40252221205 is a deficient number, since it is larger than the sum of its proper divisors (14950825067).

40252221205 is a wasteful number, since it uses less digits than its factorization.

40252221205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150063475.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 40252221205 its reverse (50212225204), we get a palindrome (90464446409).

The spelling of 40252221205 in words is "forty billion, two hundred fifty-two million, two hundred twenty-one thousand, two hundred five".