41640000 has 140 divisors (see below), whose sum is σ = 138068304. Its totient is φ = 11072000.

The previous prime is 41639999. The next prime is 41640023. The reversal of 41640000 is 4614.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 119827 + ... + 120173.

Almost surely, 2^41640000 is an apocalyptic number.

41640000 is a gapful number since it is divisible by the number (40) 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 41640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69034152).

41640000 is an abundant number, since it is smaller than the sum of its proper divisors (96428304).

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

41640000 is an equidigital number, since it uses as much as digits as its factorization.

41640000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 41640000 is about 6452.9063219607. The cubic root of 41640000 is about 346.6066628560.

Adding to 41640000 its reverse (4614), we get a palindrome (41644614).

The spelling of 41640000 in words is "forty-one million, six hundred forty thousand".