41640406514021 has 24 divisors (see below), whose sum is σ = 48781498979136. Its totient is φ = 34818587285760.

The previous prime is 41640406513999. The next prime is 41640406514023. The reversal of 41640406514021 is 12041560404614.

It is not a de Polignac number, because 41640406514021 - 2²⁶ = 41640339405157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41640406514023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361301 + ... + 9132981.

It is an arithmetic number, because the mean of its divisors is an integer number (2032562457464).

Almost surely, 2^{41640406514021} is an apocalyptic number.

It is an amenable number.

41640406514021 is a deficient number, since it is larger than the sum of its proper divisors (7141092465115).

41640406514021 is an equidigital number, since it uses as much as digits as its factorization.

41640406514021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772089 (or 8772042 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

Adding to 41640406514021 its reverse (12041560404614), we get a palindrome (53681966918635).

The spelling of 41640406514021 in words is "forty-one trillion, six hundred forty billion, four hundred six million, five hundred fourteen thousand, twenty-one".