41643504 has 160 divisors (see below), whose sum is σ = 139991040. Its totient is φ = 11605248.

The previous prime is 41643491. The next prime is 41643517. The reversal of 41643504 is 40534614.

It is an interprime number because it is at equal distance from previous prime (41643491) and next prime (41643517).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141982 + ... + 142274.

It is an arithmetic number, because the mean of its divisors is an integer number (874944).

Almost surely, 2^41643504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41643504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69995520).

41643504 is an abundant number, since it is smaller than the sum of its proper divisors (98347536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41643504 is a wasteful number, since it uses less digits than its factorization.

41643504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 352 counting only the distinct ones).

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

The square root of 41643504 is about 6453.1778218177. The cubic root of 41643504 is about 346.6163848835.

It can be divided in two parts, 41 and 643504, that added together give a triangular number (643545 = T₁₁₃₄).

The spelling of 41643504 in words is "forty-one million, six hundred forty-three thousand, five hundred four".