41640448 has 40 divisors (see below), whose sum is σ = 83869632. Its totient is φ = 20653056.

The previous prime is 41640437. The next prime is 41640499. The reversal of 41640448 is 84404614.

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, 85261 + ... + 85747.

Almost surely, 2^41640448 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 41640448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41934816).

41640448 is an abundant number, since it is smaller than the sum of its proper divisors (42229184).

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

41640448 is an equidigital number, since it uses as much as digits as its factorization.

41640448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 41640448 is about 6452.9410349080. The cubic root of 41640448 is about 346.6079058853.

The spelling of 41640448 in words is "forty-one million, six hundred forty thousand, four hundred forty-eight".