41641021646540 has 24 divisors (see below), whose sum is σ = 87465192948672. Its totient is φ = 16652780565120.

The previous prime is 41641021646479. The next prime is 41641021646593. The reversal of 41641021646540 is 4564612014614.

It is a super-2 number, since 2×41641021646540² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41641021646491 and 41641021646500.

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, 226661729 + ... + 226845368.

It is an arithmetic number, because the mean of its divisors is an integer number (3644383039528).

Almost surely, 2^{41641021646540} is an apocalyptic number.

It is an amenable number.

41641021646540 is an abundant number, since it is smaller than the sum of its proper divisors (45824171302132).

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

41641021646540 is a wasteful number, since it uses less digits than its factorization.

41641021646540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453511697 (or 453511695 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 41641021646540 in words is "forty-one trillion, six hundred forty-one billion, twenty-one million, six hundred forty-six thousand, five hundred forty".