40201240213 has 4 divisors (see below), whose sum is σ = 40203172768. Its totient is φ = 40199307660.

The previous prime is 40201240201. The next prime is 40201240243. The reversal of 40201240213 is 31204210204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40201240213 - 2²⁹ = 39664369301 is a prime.

It is a super-2 number, since 2×40201240213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40201240243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934731 + ... + 976792.

It is an arithmetic number, because the mean of its divisors is an integer number (10050793192).

Almost surely, 2^40201240213 is an apocalyptic number.

It is an amenable number.

40201240213 is a deficient number, since it is larger than the sum of its proper divisors (1932555).

40201240213 is a wasteful number, since it uses less digits than its factorization.

40201240213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932554.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40201240213 its reverse (31204210204), we get a palindrome (71405450417).

It can be divided in two parts, 402012 and 40213, that added together give a square (442225 = 665²).

The spelling of 40201240213 in words is "forty billion, two hundred one million, two hundred forty thousand, two hundred thirteen".