40041122021 has 8 divisors (see below), whose sum is σ = 40111824288. Its totient is φ = 39970458000.

The previous prime is 40041121979. The next prime is 40041122039. The reversal of 40041122021 is 12022114004.

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 40041122021 - 2⁶ = 40041121957 is a prime.

It is a super-2 number, since 2×40041122021² (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 (40041122071) 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, 2771306 + ... + 2785716.

It is an arithmetic number, because the mean of its divisors is an integer number (5013978036).

Almost surely, 2^40041122021 is an apocalyptic number.

It is an amenable number.

40041122021 is a deficient number, since it is larger than the sum of its proper divisors (70702267).

40041122021 is a wasteful number, since it uses less digits than its factorization.

40041122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19123.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 40041122021 its reverse (12022114004), we get a palindrome (52063236025).

The spelling of 40041122021 in words is "forty billion, forty-one million, one hundred twenty-two thousand, twenty-one".