40021344113 has 8 divisors (see below), whose sum is σ = 41681920320. Its totient is φ = 38391237360.

The previous prime is 40021344109. The next prime is 40021344151. The reversal of 40021344113 is 31144312004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40021344113 - 2² = 40021344109 is a prime.

It is a super-2 number, since 2×40021344113² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40021344313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7614683 + ... + 7619936.

It is an arithmetic number, because the mean of its divisors is an integer number (5210240040).

Almost surely, 2^40021344113 is an apocalyptic number.

It is an amenable number.

40021344113 is a deficient number, since it is larger than the sum of its proper divisors (1660576207).

40021344113 is a wasteful number, since it uses less digits than its factorization.

40021344113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15234727.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 40021344113 its reverse (31144312004), we get a palindrome (71165656117).

The spelling of 40021344113 in words is "forty billion, twenty-one million, three hundred forty-four thousand, one hundred thirteen".