40232440213 has 32 divisors (see below), whose sum is σ = 49369872384. Its totient is φ = 32032832832.

The previous prime is 40232440201. The next prime is 40232440223. The reversal of 40232440213 is 31204423204.

It is a happy number.

It is not a de Polignac number, because 40232440213 - 2¹⁷ = 40232309141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40232440223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3252306 + ... + 3264652.

It is an arithmetic number, because the mean of its divisors is an integer number (1542808512).

Almost surely, 2^40232440213 is an apocalyptic number.

It is an amenable number.

40232440213 is a deficient number, since it is larger than the sum of its proper divisors (9137432171).

40232440213 is a wasteful number, since it uses less digits than its factorization.

40232440213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12961.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40232440213 its reverse (31204423204), we get a palindrome (71436863417).

The spelling of 40232440213 in words is "forty billion, two hundred thirty-two million, four hundred forty thousand, two hundred thirteen".