41620721545625 has 80 divisors (see below), whose sum is σ = 56082146968320. Its totient is φ = 30776229288000.

The previous prime is 41620721545607. The next prime is 41620721545639. The reversal of 41620721545625 is 52654512702614.

It is not a de Polignac number, because 41620721545625 - 2⁴² = 37222675034521 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 463091942 + ... + 463181808.

It is an arithmetic number, because the mean of its divisors is an integer number (701026837104).

Almost surely, 2^{41620721545625} is an apocalyptic number.

It is an amenable number.

41620721545625 is a deficient number, since it is larger than the sum of its proper divisors (14461425422695).

41620721545625 is an equidigital number, since it uses as much as digits as its factorization.

41620721545625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90856 (or 90841 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 41620721545625 in words is "forty-one trillion, six hundred twenty billion, seven hundred twenty-one million, five hundred forty-five thousand, six hundred twenty-five".