40204432245 has 16 divisors (see below), whose sum is σ = 65417382720. Its totient is φ = 21078933504.

The previous prime is 40204432241. The next prime is 40204432267. The reversal of 40204432245 is 54223440204.

It is not a de Polignac number, because 40204432245 - 2² = 40204432241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40204432241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22713484 + ... + 22715253.

It is an arithmetic number, because the mean of its divisors is an integer number (4088586420).

Almost surely, 2^40204432245 is an apocalyptic number.

It is an amenable number.

40204432245 is a deficient number, since it is larger than the sum of its proper divisors (25212950475).

40204432245 is a wasteful number, since it uses less digits than its factorization.

40204432245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45428804.

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 40204432245 its reverse (54223440204), we get a palindrome (94427872449).

The spelling of 40204432245 in words is "forty billion, two hundred four million, four hundred thirty-two thousand, two hundred forty-five".