40505411215 has 16 divisors (see below), whose sum is σ = 49154905728. Its totient is φ = 32039883936.

The previous prime is 40505411209. The next prime is 40505411257. The reversal of 40505411215 is 51211450504.

It is a cyclic number.

It is not a de Polignac number, because 40505411215 - 2³ = 40505411207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207424 + ... + 352186.

It is an arithmetic number, because the mean of its divisors is an integer number (3072181608).

Almost surely, 2^40505411215 is an apocalyptic number.

40505411215 is a deficient number, since it is larger than the sum of its proper divisors (8649494513).

40505411215 is a wasteful number, since it uses less digits than its factorization.

40505411215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145398.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 40505411215 its reverse (51211450504), we get a palindrome (91716861719).

The spelling of 40505411215 in words is "forty billion, five hundred five million, four hundred eleven thousand, two hundred fifteen".