40505551306 has 16 divisors (see below), whose sum is σ = 67026553920. Its totient is φ = 18204741280.

The previous prime is 40505551301. The next prime is 40505551319. The reversal of 40505551306 is 60315550504.

40505551306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40505551301) 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, 10341646 + ... + 10345561.

It is an arithmetic number, because the mean of its divisors is an integer number (4189159620).

Almost surely, 2^40505551306 is an apocalyptic number.

40505551306 is a deficient number, since it is larger than the sum of its proper divisors (26521002614).

40505551306 is a wasteful number, since it uses less digits than its factorization.

40505551306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20687309.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 40505551306 in words is "forty billion, five hundred five million, five hundred fifty-one thousand, three hundred six".