41644626405 has 16 divisors (see below), whose sum is σ = 66639716160. Its totient is φ = 22207696128.

The previous prime is 41644626403. The next prime is 41644626433. The reversal of 41644626405 is 50462644614.

41644626405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 41644626405 - 2¹ = 41644626403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41644626403) 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, 45967 + ... + 292236.

It is an arithmetic number, because the mean of its divisors is an integer number (4164982260).

Almost surely, 2^41644626405 is an apocalyptic number.

It is an amenable number.

41644626405 is a deficient number, since it is larger than the sum of its proper divisors (24995089755).

41644626405 is a wasteful number, since it uses less digits than its factorization.

41644626405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346420.

The product of its (nonzero) digits is 552960, while the sum is 42.

It can be divided in two parts, 41 and 644626405, that added together give a palindrome (644626446).

The spelling of 41644626405 in words is "forty-one billion, six hundred forty-four million, six hundred twenty-six thousand, four hundred five".