478621525481 has 16 divisors (see below), whose sum is σ = 527442814080. Its totient is φ = 430689141120.

The previous prime is 478621525441. The next prime is 478621525531. The reversal of 478621525481 is 184525126874.

It is a cyclic number.

It is not a de Polignac number, because 478621525481 - 2¹⁴ = 478621509097 is a prime.

It is a super-2 number, since 2×478621525481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478621525441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2411885 + ... + 2602773.

It is an arithmetic number, because the mean of its divisors is an integer number (32965175880).

Almost surely, 2^478621525481 is an apocalyptic number.

It is an amenable number.

478621525481 is a deficient number, since it is larger than the sum of its proper divisors (48821288599).

478621525481 is a wasteful number, since it uses less digits than its factorization.

478621525481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193216.

The product of its digits is 4300800, while the sum is 53.

The spelling of 478621525481 in words is "four hundred seventy-eight billion, six hundred twenty-one million, five hundred twenty-five thousand, four hundred eighty-one".