41640732 has 72 divisors (see below), whose sum is σ = 121212000. Its totient is φ = 11806848.

The previous prime is 41640691. The next prime is 41640743. The reversal of 41640732 is 23704614.

It is a super-2 number, since 2×41640732² = 3467901122991648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41640696 and 41640705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36994 + ... + 38102.

It is an arithmetic number, because the mean of its divisors is an integer number (1683500).

Almost surely, 2^41640732 is an apocalyptic number.

41640732 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41640732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60606000).

41640732 is an abundant number, since it is smaller than the sum of its proper divisors (79571268).

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

41640732 is a wasteful number, since it uses less digits than its factorization.

41640732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1270 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 41640732 is about 6452.9630403405. The cubic root of 41640732 is about 346.6086938725.

The spelling of 41640732 in words is "forty-one million, six hundred forty thousand, seven hundred thirty-two".