41569639040 has 32 divisors (see below), whose sum is σ = 99377419860. Its totient is φ = 16627855360.

The previous prime is 41569638967. The next prime is 41569639043. The reversal of 41569639040 is 4093696514.

It is a happy number.

41569639040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39645588544 + 1924050496 = 199112^2 + 43864^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (41569639043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32475641 + ... + 32476920.

Almost surely, 2^41569639040 is an apocalyptic number.

41569639040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41569639040 is an abundant number, since it is smaller than the sum of its proper divisors (57807780820).

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

41569639040 is an equidigital number, since it uses as much as digits as its factorization.

41569639040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64952580 (or 64952568 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 41569639040 in words is "forty-one billion, five hundred sixty-nine million, six hundred thirty-nine thousand, forty".