41664431 has 8 divisors (see below), whose sum is σ = 43699200. Its totient is φ = 39648312.

The previous prime is 41664407. The next prime is 41664437. The reversal of 41664431 is 13446614.

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 41664431 - 2⁶ = 41664367 is a prime.

It is a super-4 number, since 4×41664431⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41664394 and 41664403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41664437) 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, 26 + ... + 9128.

It is an arithmetic number, because the mean of its divisors is an integer number (5462400).

Almost surely, 2^41664431 is an apocalyptic number.

41664431 is a deficient number, since it is larger than the sum of its proper divisors (2034769).

41664431 is a wasteful number, since it uses less digits than its factorization.

41664431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9325.

The product of its digits is 6912, while the sum is 29.

The square root of 41664431 is about 6454.7990673607. The cubic root of 41664431 is about 346.6744365657.

The spelling of 41664431 in words is "forty-one million, six hundred sixty-four thousand, four hundred thirty-one".