481320745398 has 64 divisors (see below), whose sum is σ = 1105058764800. Its totient is φ = 155130625440.

The previous prime is 481320745397. The next prime is 481320745417. The reversal of 481320745398 is 893547023184.

It is a happy number.

481320745398 is a `hidden beast` number, since 4 + 8 + 1 + 3 + 207 + 45 + 398 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481320745393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1823248 + ... + 2070476.

It is an arithmetic number, because the mean of its divisors is an integer number (17266543200).

Almost surely, 2^481320745398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481320745398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552529382400).

481320745398 is an abundant number, since it is smaller than the sum of its proper divisors (623738019402).

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

481320745398 is a wasteful number, since it uses less digits than its factorization.

481320745398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248434 (or 248428 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 481320745398 in words is "four hundred eighty-one billion, three hundred twenty million, seven hundred forty-five thousand, three hundred ninety-eight".