41605261520 has 40 divisors (see below), whose sum is σ = 97956706560. Its totient is φ = 16431442560.

The previous prime is 41605261501. The next prime is 41605261547. The reversal of 41605261520 is 2516250614.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×41605261520² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3285236 + ... + 3297875.

It is an arithmetic number, because the mean of its divisors is an integer number (2448917664).

Almost surely, 2^41605261520 is an apocalyptic number.

41605261520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41605261520 is an abundant number, since it is smaller than the sum of its proper divisors (56351445040).

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

41605261520 is a wasteful number, since it uses less digits than its factorization.

41605261520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6583203 (or 6583197 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 41605261520 in words is "forty-one billion, six hundred five million, two hundred sixty-one thousand, five hundred twenty".