41640404 has 48 divisors (see below), whose sum is σ = 82872720. Its totient is φ = 18170880.

The previous prime is 41640397. The next prime is 41640407. The reversal of 41640404 is 40404614.

It can be written as a sum of positive squares in 8 ways, for example, as 1317904 + 40322500 = 1148^2 + 6350^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 41640404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41640407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79664 + ... + 80184.

It is an arithmetic number, because the mean of its divisors is an integer number (1726515).

Almost surely, 2^41640404 is an apocalyptic number.

It is an amenable number.

41640404 is a deficient number, since it is larger than the sum of its proper divisors (41232316).

41640404 is a wasteful number, since it uses less digits than its factorization.

41640404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 41640404 is about 6452.9376256090. The cubic root of 41640404 is about 346.6077838025.

The spelling of 41640404 in words is "forty-one million, six hundred forty thousand, four hundred four".