520404208541 has 8 divisors (see below), whose sum is σ = 594794832000. Its totient is φ = 446025376368.

The previous prime is 520404208517. The next prime is 520404208547. The reversal of 520404208541 is 145802404025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520404208541 - 2²⁶ = 520337099677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520404208547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2853041 + ... + 3029958.

It is an arithmetic number, because the mean of its divisors is an integer number (74349354000).

Almost surely, 2^520404208541 is an apocalyptic number.

It is an amenable number.

520404208541 is a deficient number, since it is larger than the sum of its proper divisors (74390623459).

520404208541 is a wasteful number, since it uses less digits than its factorization.

520404208541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895643.

The product of its (nonzero) digits is 51200, while the sum is 35.

The spelling of 520404208541 in words is "five hundred twenty billion, four hundred four million, two hundred eight thousand, five hundred forty-one".