41649664 has 40 divisors (see below), whose sum is σ = 95114448. Its totient is φ = 17848320.

The previous prime is 41649659. The next prime is 41649683. The reversal of 41649664 is 46694614.

It is a super-2 number, since 2×41649664² = 3469389022625792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2227 + ... + 9394.

Almost surely, 2^41649664 is an apocalyptic number.

It is an amenable number.

41649664 is an abundant number, since it is smaller than the sum of its proper divisors (53464784).

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

41649664 is an equidigital number, since it uses as much as digits as its factorization.

41649664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11646 (or 11630 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 41649664 is about 6453.6550883976. The cubic root of 41649664 is about 346.6334747971.

The spelling of 41649664 in words is "forty-one million, six hundred forty-nine thousand, six hundred sixty-four".