40113220305 has 32 divisors (see below), whose sum is σ = 64413273600. Its totient is φ = 21316444160.

The previous prime is 40113220283. The next prime is 40113220333. The reversal of 40113220305 is 50302231104.

It is not a de Polignac number, because 40113220305 - 2¹⁶ = 40113154769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9904921 + ... + 9908969.

It is an arithmetic number, because the mean of its divisors is an integer number (2012914800).

Almost surely, 2^40113220305 is an apocalyptic number.

It is an amenable number.

40113220305 is a deficient number, since it is larger than the sum of its proper divisors (24300053295).

40113220305 is a wasteful number, since it uses less digits than its factorization.

40113220305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 40113220305 its reverse (50302231104), we get a palindrome (90415451409).

The spelling of 40113220305 in words is "forty billion, one hundred thirteen million, two hundred twenty thousand, three hundred five".