40224431245 has 16 divisors (see below), whose sum is σ = 50377904640. Its totient is φ = 30774371584.

The previous prime is 40224431243. The next prime is 40224431279. The reversal of 40224431245 is 54213442204.

It is a cyclic number.

It is not a de Polignac number, because 40224431245 - 2¹ = 40224431243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40224431243) 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, 602997 + ... + 666373.

It is an arithmetic number, because the mean of its divisors is an integer number (3148619040).

Almost surely, 2^40224431245 is an apocalyptic number.

It is an amenable number.

40224431245 is a deficient number, since it is larger than the sum of its proper divisors (10153473395).

40224431245 is a wasteful number, since it uses less digits than its factorization.

40224431245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68924.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 40224431245 its reverse (54213442204), we get a palindrome (94437873449).

The spelling of 40224431245 in words is "forty billion, two hundred twenty-four million, four hundred thirty-one thousand, two hundred forty-five".