41640435 has 24 divisors (see below), whose sum is σ = 73198944. Its totient is φ = 21893760.

The previous prime is 41640407. The next prime is 41640437. The reversal of 41640435 is 53404614.

It is not a de Polignac number, because 41640435 - 2¹² = 41636339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41640399 and 41640408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41640437) 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, 3322 + ... + 9711.

It is an arithmetic number, because the mean of its divisors is an integer number (3049956).

Almost surely, 2^41640435 is an apocalyptic number.

41640435 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

41640435 is a deficient number, since it is larger than the sum of its proper divisors (31558509).

41640435 is a wasteful number, since it uses less digits than its factorization.

41640435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13115 (or 13112 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 41640435 is about 6452.9400276153. The cubic root of 41640435 is about 346.6078698154.

The spelling of 41640435 in words is "forty-one million, six hundred forty thousand, four hundred thirty-five".