41640501 has 8 divisors (see below), whose sum is σ = 63452224. Its totient is φ = 23794560.

The previous prime is 41640499. The next prime is 41640509. The reversal of 41640501 is 10504614.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 41640501 - 2¹ = 41640499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1982881 = 41640501 / (4 + 1 + 6 + 4 + 0 + 5 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41640509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991420 + ... + 991461.

It is an arithmetic number, because the mean of its divisors is an integer number (7931528).

Almost surely, 2^41640501 is an apocalyptic number.

It is an amenable number.

41640501 is a deficient number, since it is larger than the sum of its proper divisors (21811723).

41640501 is a wasteful number, since it uses less digits than its factorization.

41640501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982891.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 41640501 is about 6452.9451415613. The cubic root of 41640501 is about 346.6080529395.

The spelling of 41640501 in words is "forty-one million, six hundred forty thousand, five hundred one".