520547476004 has 12 divisors (see below), whose sum is σ = 916223737884. Its totient is φ = 258769265184.

The previous prime is 520547475997. The next prime is 520547476013. The reversal of 520547476004 is 400674745025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 187731558400 + 332815917604 = 433280^2 + 576902^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376117427 + ... + 376118810.

It is an arithmetic number, because the mean of its divisors is an integer number (76351978157).

Almost surely, 2^520547476004 is an apocalyptic number.

It is an amenable number.

520547476004 is a deficient number, since it is larger than the sum of its proper divisors (395676261880).

520547476004 is a wasteful number, since it uses less digits than its factorization.

520547476004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752236414 (or 752236412 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 520547476004 in words is "five hundred twenty billion, five hundred forty-seven million, four hundred seventy-six thousand, four".